How to build a computer free essay sample

Every fully functioning computer is made of the same basic components and here I’ll walk through the basic hardware youll need for your first build. There are several components a computer. However, it’s important to first understand what each component does. The processor (CPU) is like the brain of a computer, the thing that carries out the tasks you give it. Better CPUs can perform more tasks at once, and perform them faster. Not everyone takes full advantage of their processors full speed, so the high-end processers are only really needed if youre performing intensive things like gaming or video editing. Its also one of the most expensive parts of a computer, so if you arent doing these types of things, you dont need to buy the latest and greatest. Another expensive part is the motherboard connects all the other components to each other, and is the physical base that you build everything else onto. We will write a custom essay sample on How to build a computer or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page It contains a lot of your machines core features, like the number of USB ports, the number of expansion cards you can put in (like video, sound, and Wi-Fi), and also determines how big your computer will be. The motherboard you buy will depend on the type of user you are. The case holds all of your computers parts together. For the most part, a case is less about features that affect how your computer runs and more about features that affect you and your home. Still, its an important consideration that is dependent on your other choices, so you might want to think about everything before buying one. Make sure the case buy will hold motherboard. RAM, or Random Access Memory, is like your computers short-term memory. It stores data your computer needs quick access to help your programs run faster, and help you run more programs at one time. That basically means the more you want to do at once the more RAM you’ll need. The graphics card, or GPU, is a processor designed to handle graphics. Its what you hook your monitor up to, and its what draws your desktop and your windows on the screen. Some motherboards come with a GPU already integrated, which is enough to manage your desktop, but not enough for watching high definition video or playing games. Your hard drives are what store all of your data, ranging from your operating system to your documents, music, and movies. If the RAM is your computers short-term memory, your hard drive is the long-term memory. It stores the things you want to keep around for a while. An optical drive, more commonly known as a CD or DVD drive is what youll use to read CDs, DVDs, and even Blu-Ray discs. Not everyone needs an optical drive in his/her computer, but you’ll need one to install anything from a disc. The final major component you’ll need is the power supply. This does just as the name implies, it powers the computer. Depending on what you plan on using the computer for will determine the â€Å"size† of power supply you’ll need. Just as I said with picking the case, wait to pick this out until you figure out how much power you’ll need. Now that I’ve told you about all the components that make up a computer it’s time to start deciding which to use. While deciding make sure you read everything because you’ll need to make sure everything is compatible. Now that youve bought all your components, its time for the moment of truth: Youre ready to actually put together the machine. Assembling your computer can seem daunting, but its actually pretty easy. Heres what you need to do. To start, open up your cases box, take out the case, and open it up. Usually this involves unscrewing a few thumb screws on the back of your case and sliding the side panels off. Take a good look around your case and get acquainted; note where the hard drive bays are, where your CD drive will go, whether the power supply mounts on the top or the bottom, and so on. There should also be a bag of screws inside your case; grab that now and set it aside because well need it in a few minutes. Open up your motherboard box and take out the I/O shield, which is the metal plate that protects the ports on the back of your motherboard. You should see a rectangular space in the back of your case where this should go. Snap it into place. This takes quite a bit of force, so make sure all four sides are snapped in securely. Next, pull out your motherboard and line up the ports on the back with the I/O shield. You should see that the holes on your motherboard line up with screw holes on the bottom of your case. There are probably more holes on your case than there are on your motherboard, so note which ones these are, and grab your motherboard standoffs from your bag of screws (they have a male screw end on one side, and a female screw hole on the other side). Screw the standoffs into those holes, and set your motherboard on top of them. Screw your motherboard screws into the standoffs so the motherboard is snugly mounted. Open up your processors box and gently take it out. Your processor is one of the more breakable parts, so this is one step in which youll want to be careful. Find the corner of your processor that has a gold arrow on it, and then look at your motherboards processor socket for a similar arrowed corner. Line these two arrows up; this is the direction your processor will go into the socket. Lift up the lever on the processor socket and put your processor in (Intel motherboards might also have a cover you have to lift up first). Pull the lever down to lock it into place. Again, do this gently—it shouldnt require any feats of strength on your part, so if it isnt falling into place easily, somethings wrong. Take it out and try re-setting it, make sure your two arrows are lined up, and of course, double check that your motherboard and processor are of the same socket type. Once your processors in, grab the cooler that came with your processor (remember, if you got an OEM processor you have to buy a cooler separately). It should already have some silver thermal paste on the bottom. If not, youll need to pick some up from the computer store and put a very thin line on your processor. Installing RAM is very simple. Find the RAM sockets on your motherboard, and pull the two clips on the side down. Line up the notch in your RAM stick with the notch in the socket, and press the RAM down into place. This might take a bit of pressure, so dont worry about being overly gentle. The clips should snap back into place when the RAM is fully in the socket. For your video card (or any other PCI expansion card), find the topmost slot that fits your card and match that up with its plate on the back of the case. Remove that plate and slide the PCI cards bracket in its place. The card should then be sitting on top of the socket, and all you need to do is press down to lock it into place. Then screw the bracket onto the case. Every case is a little bit different in how they install hard drives. Generally, there are two methods: on some cases, you have to pull out a hard drive tray, put the drive in, screw it in securely, and then slide the tray back in. Other motherboards just require you to slide the bare drive into the bay and then screw it in snug after the fact. Check your cases manual for more detailed instructions on this case. The optical drive should be pretty self-explanatory. Just pull out the plastic cover on one of your 5. 25 drive bays and slide in your optical drive. Screw it into place if necessary. Once everything else is in, its time to install your power supply and plug everything in. (Note that if your case came with a power supply, you can skip this step, as itll already be installed). It should be pretty obvious where your power supply goes, as there will be a big rectangular hole on the back of your case. Some power supplies mount on the top, while some sit on the bottom of the case. Generally, they mount with the fan facing away from the edge of the case, unless that case has enough space in between the power supply mount and the end of the case to allow for airflow. Now that you have built your computer it’s time to plug it in and power it. From here it’s time to install an operating system (OS). There are several OS to pick from. The more common are Microsoft Windows and Linux. Each OS installs differently and each user has their own preference. Once you pick an OS read the instructions provided to install it. Now that you have installed the OS you now have a fully functioning computer that you’ve built.

buy custom Egypt Police essay

buy custom Egypt Police essay Historical Background Defining Characteristics of that Countrys Police Force For many years, there were disturbing relationships between Egyptian police and the citizens. Such a trend contributed to developing negative stereotypes about police system among Egyptians. Contrary to the police of the United States, which have a good reputation, the Egyptian police gained notoriety that was aggravated before the revolution of 2011. The police greatly discriminated citizens in law enforcement to support the ruling regime. With total impunity, they violated human rights and the law. They had laxity in performing public duties but readily provided political security. Consequently, Egyptian society was subjected to the oppressive regime since the police system was inclined to have an authoritarian behavior (Mervio, 2015). Thus, the image of police that exists in Egyptian society shows them as those establishing order by force and defending violently the system to fulfill desires of the authorities. Police Reforms Democratic transition in Egypt could only be completed after reforming the security sectors (Human Rights Center for the Assistance of Prisoners, 2002). Reforms called to change the approaches of the police force from brutal ones to those serving the public, emphasize respect for human rights while law enforcement, train to humanely deal with people were expected to be implemented. However, the Egyptian police force has not been reformed yet. The only evident alternation was the modification of the intelligence unit name from Security Investigation to National Security and the police uniform color. In contrast, in the USA, the police force is continuously reformed. One of the latest, for example, was community policing reform aimed to establish association and society trust in law enforcement (Human Rights Center for the Assistance of Prisoners, 2002). Unique Features of the Recruitment, Training, and Qualifications of Police Recruits. In Egypt, there exists Egyptian Police Academy that maintains colleges to train and educate the police at all career stages. Cairo Police Academyis an institution in charge of training and educating the police, as it supervises all other institutions that train the police throughout Egypt (Human Rights Center for the Assistance of Prisoners, 2002). It determines the qualifications for recruits and employs the teaching staff. Police recruitment in Egypt does not require specific class, race, or bodily features from candidates. To become a policemen, one only must be a physically fit citizen of Egypt and possess the basic academic documents. The preparation of police forces focuses predominantly on education. The academies have a belief that courses encouraging decent social behavior and a development of good personality are mandatory for police officers. The officers also do the courses of academic syllabuses. Such formation of the police is clearly distinctive from police training an d education in the United States. In the US, law enforcement organizations concentrate mostly on training that is performed by the academies of the police; however, they do not have the recognition of educational institutions. Police Structures How are they Structured The government, through several arms all under the Ministry of Interior, provides law enforcement in Egypt. The ministry ensures the safety and security of all citizens and the state at large. The ministry is mandated to recruit, train and manage the security forces. It also oversees criminal investigations, administers licenses, and controls traffic among others. Egypt has the Interpol National Central Bureau (NCB) that is a combination of both administrative staff and the police. The section deals with foreign and domestic links to criminal activities. NCB also focuses on the exchange of internal intelligence information. Such structure is divergent from the American one since there exists no national police system in the United States. Police are simply on the state basis. Why did They Choose This Kind of System The Egyptian police structure was historically influences by the British one. In both systems, the police are virtually the property of the government. Moreover, the police administration is highly centralized with all instructions coming froom the Ministry of Interior. The method was adopted to assure the total authority and security of reigning regime. Police Misconduct In Egypt, police misconduct and brutality are as commonplace as any other crime and, thus, tend to be pervasive. Victims describe the police as using excessive force to get confessions from alleged criminals (Human Rights Center for the Assistance of Prisoners, 2002). Activists from the Muslim Brotherhood face particularly a lot of violence from the police as they are seen to be a political threat. After the 2011 revolution, the ruling government conceded and confirmed the existence of torture within the police system (Kandil, 2012). Such gross misconduct in the line of duty attributes to poor training as well as frustration due to understaffing. Efforts are made to curb it, and, in the recent years, numerous policemen were convicted on torture claims. Independent human rights organizations also assist with reinforcing the political will by the government. Such a situation is uncommon for the USA. The majority of police officers work with respect for the citizens they serve there (Ur bina, 2012). However, unacceptable occurrences sometimes take place, and the United States Department of Justice enforces the laws that address these occasions among the officers. Police Coordination and Cooperation The Federal Government campaigns for police cooperation are implemented both locally and at the international level. Their aim is preventing and combating organized criminal activities including terrorism (Giacomantonio, 2015). The cooperation also offers windows to relief and support in the event of serious accidents. In addition, the government assumes that there is a need to support its security authorities. It is particularly reflected in controlling criminal crosses-border offenses such as human, drug, and vehicle smuggling. The United States similarly facilitate the formation of programs that depend on coordination with state police within federal districts. To this end, the Congress enacted Law Enforcement Coordinators (LECs). The LECs promote communication, coordination, and cooperation among States law enforcement agencies (Rothman, 2012). Buy custom Egypt Police essay

Monitoring Essay Example | Topics and Well Written Essays - 250 words

Monitoring - Essay Example It may be legal for an employee to make negative comments about their employer over the internet. However, the employer might decide to discipline the employee if they directly post the negative comments in reference to them. Such discipline could amount to the termination of employment and other opportunities in the working environment (Online Privacy: Using the Internet Safely). If the employee defies the ethical concern on confidentiality and discloses confidential information about the employer over the internet, then the employer has a right to terminate their employment. Employers ask for private information about the social web pages of their employees. This is an ethical concern that affects businesses because it amounts to the infringement of the employees’ privacy rights. Such practices might affect the society in a negative manner, as the employers would practice discriminatory recruitment practices. The development of peer-to-peer sharing of files has led to a concern in business ethics (Business & Entrepreneurship). It has led to the illegal transfer of copyrighted content, for instance, the free sharing of software among users. The owners of such software could sue the business as they have defied the terms and conditions stipulated in the usage agreement. "Can My Employer Discipline Me for My Comments Posted on Facebook, MySpace, or My Blog?" - LawInfo. Web. 3 Nov. 2014.

The Survival Lottery Research Paper Example | Topics and Well Written Essays - 1500 words - 1

The Survival Lottery - Research Paper Example It also offers another analogy that serves to counter the survival lottery. First, the assumption is that the lottery speaks about the traditional utilitarianism as there are other flavors of the same that have been considered less influential and yield different results. It is easy to put ones thumb on a scale whenever arguing concerning ethical status of acts under utilitarianism as utilitarianism takes no account of other things but the sort of things suggested. They seek to maximize pleasure, not simple hedonistic pleasure, but something that stands in for what people find desirable (Tittle 34). This includes moral sentiments, feelings and emotions. If the society finds the lottery unacceptable inherently, then there is bound to be displeasure and pain associated with its execution that could outweigh any good done in saving lives. ` This type of argument sidesteps the thrust of the thought experiment, but it aims at illustrating how acceptable it is to kill an innocent person under utilitarianism to save others. In isolating this point, the imagination could be that the survival lottery minimizes pain, maybe spearheaded by few people who are not known by the public as argued by Kuhse and Singer (67). Perhaps those selected are told they are selected for a heroic government mission so that if they do not return their families are left proud to be associated with the loss. Maybe the deaths of the selected are quick and without pain and the people are not pre-informed so as not to traumatize them. Maybe the recipients of the organs are never to be informed that someone was killed so that they do not feel guilt. This would make the public oblivious so that the only people that would be suffering from guilt would be the few who had to do the task. And maybe even this would be accomplished by sociopaths so that no one would feel the guilt at all. What then would the argument be? A utilitarian would seem to be forced to accept the

Please discuss the following question with philosophy knowledge and Essay

Please discuss the following question with philosophy knowledge and ethics - Essay Example All societies have an established and well defined moral code of conduct that governs the people’s behavior. This code of conduct is agreed upon and adhered to by all members of that society. Failure to uphold this moral code of conduct gives rise to the disruption of the social order of a society. This is followed closely by social chaos and social unrest. Insecurity in a society will also be rampant if the upholding of morality is not in an individual’s rational self-interest. Insecurity gives rise to vices such as theft, rape and violence. In an insecure society, people lack respect for one another. This is the reasoning behind the occurrence of most of these vices. The perpetrators of these vices do not care whether what they are doing is right or wrong. They simply commit them for their own self-gratification. Societies are governed by moral law whose main objective is to ensure the well-being and peace of its members. When the moral law is not adhered to, peace demises and insecurity flourishes. Morality is considered to have an innate value. This is why people ought to be morally upright. An individual or society that does not adhere to the laid down moral principles would easily destroy this innate value. The society will not achieve its goals and it will always lag behind in developmental issues. The individual will also be filled with guilt and lack focus in

The Ability Of Sound To Shatter Glass Environmental Sciences Essay

The Ability Of Sound To Shatter Glass Environmental Sciences Essay There is a myth that claims that the piercing voice of the soprano vocalist has the power to shatter a wine glass. In this media-driven world, we are often shown television portrayals of such events; there is also evidence and personal testimony that supports the statement. Scientific research has also proved that sound can break a glass and the laws of physics have proven that this is possible through sound resonance. In this extended essay, I will compare the ability of sound to shatter glass through using different sized beakers and also different shapes of glass. The significance of this experiment is to relate the physics concept with our lives. During my experimentation, three different sizes of beaker and three different shapes of glass have been utilised to test the ability of sound to shatter glass through using the laws of physics. All the beakers and glasses are made of the same glass and are of the same thickness. The experiment is conducted by resonating the glass and beaker at its natural frequency. The glass and beaker will vibrate when sound waves are emitted to the wall of the glass. In order to shatter the glass, the amplitude of the sound is increased until the glass shatters. If lower amplitude is needed to shatter the glass, this will indicate that the glass is more easily shattered. All the three different sizes of beakers and three different shapes of glass will then be compared. . The results show that actually the smaller sized beaker is more easily shattered when compared to the bigger sized beaker; the results also demonstrate that the beaker glass is more easily shattered when compared to the wineglass, which is curved inwards and outwards at the rim. 1.0 Introduction 1.1 SCOPE OF WORK I have studied about sound waves and its subtopic which is resonance in Physics at High School and also during my diploma programme. .But I was disappointed to find that I couldnt locate any literature that explores how the sound waves can shatter glass through sound resonance. This essay is an attempt to study the phenomenon that involves the factors that affect the vibration of glass through the emission of sound waves of the glasss natural frequency Shattering of glass can be because of many factors. Thus I set myself the objective of doing this research which is to determine whether changing the size of glass will affect the amplitude of sound needed to shatter glass. Another objective of this essay is to investigate whether changing the shape of glass will affect the amplitude of sound needed to shatter glass. Therefore, my research will be based on the two objectives. To achieve the objectives in this research I have posed two research questions which are: Research Questions: Does changing the size of the beaker affect the amplitude of sound needed to shatter the glass through sound resonance? Does changing the shape of the glass affect the amplitude of sound needed to shatter the glass through sound resonance? 1.2 Background Information and Literature: The most important thing about this essay is to know the basic information that makes the experiment related to the physics concept. In this essay the main physics concept that will be talked about is sound resonance. Using this concept, the glasses will be forced to vibrate at their respective natural frequencies until they shatter into smithereens. There are several key terms that need to be clarified before performing the research. The first term would be the natural frequency. The natural frequency is the frequency of a system which oscillates freely without the action of external force  [1]  . Another term that is important is resonance. Resonance is the state which the frequency of the externally applied periodic force equals the natural frequency of the system.  [2]  .All objects have their own resonance frequency. This includes glasses. 2.0 Research Question This extended essay will be guided by two research questions. The research questions formed were set to be the parameters of this essay. First research question: Research Question: Does changing the size of the beaker affect the amplitude of sound needed to shatter the glass by sound resonance? Three beakers with different diameters of rim of glass are used to test the ability of sound waves to break the beakers. Type of glass Size of glass Diameter of rim of glass, cm ( ±0.01cm) Beaker A Small 6.28 Beaker B Medium 9.46 Beaker C Large 11.39 Table 2.01: Size of the glass and the diameter of the rim of the glass for Beakers A and B and C Second Research Question: Research Question: Does changing the shape of the glass affect the amplitude of sound needed to shatter the glass by sound resonance? Different glass can be moulded into different kinds of shape. Different shapes of glass are used to test the ability of sound waves to break the glass at its natural frequency. Type of glass Diameter of rim of glass/cm Shape of the glass Beaker A 6.28 Straight shape Wineglass A 6.13 Curvature (inwards at the rim) Wineglass B 6.31 Curvature (outwards at the rim) Table 2.02: The table of the diameter of the rim of the glass, the shape of the glass for Beaker A , Wineglass A and Wineglass B. 3.0 Variables Experiment I Dependent: The amplitude of the sound waves needed to shatter the glass. Independent: The size of the beaker used. Constant: The natural frequency of the glass, the thickness, type and shape of the glass. Experiment II Dependent: The amplitude of the sound waves needed to shatter the glass. Independent: The shape of the glass being used (beaker and wineglass). Constant: The natural frequency of the glass, the thickness, type and size of the glass. 4.0 Apparatus and Materials Apparatus Quantity 1000ml beaker 1 600ml beaker 1 150ml beaker 1 Wineglass 1 Wineglass with outwards curvature at the rim 1 Metal spoon 1 Microphone 1 Headphones 1 Eye Goggles 1 60 Watt Speaker/Amplifier(Roland Cube 60X) 1 Cool Edit Pro 2.0 (Frequency analyzer)-laptop 1 Signal/Frequency generator(Programmable analysis software) 1 Vernier Calliper 1 In this experiment, most of the apparatus and material were available at the science laboratory. The apparatus and materials used are: Table 4.1 Table of list of apparatus and materials and the quantity used. 5.0 Methodology 5.1 Safety Precaution The experiment must be done by wearing eye goggles and headset/earplugs because of the danger posed by shattering glass and due to the hazard posed by the high pitched sound. 5.2 Making a measurement for the frequency of glass Frequency is very important in this experiment. Frequency of the glass can be determined by hearing the ping sound produced when hitting the glass with a metal spoon. But it will only show the qualitative result which is not the actual frequency of the glass. In order to get the quantitative data for the frequency of the glass, a microphone was used and connected to a laptop so that the sound could be analyzed by using the software, Cool Edit Pro 2.0 by Syntrillium Software Corporation. The software Cool Edit Pro 2.0 detects the sound produced by the glass and changes the sound into a Sine-wave. The wave form will be very dense and close to each other. A stable form of sine wave needs to be chosen in order to find the period for the wave. The frequency of the glass can be found by using the formula: Where, f = frequency of glass T = period of glass The frequency that measured is the frequency of the glass. Then the frequency needs to be trailed around  ±100 Hz to get the actual natural frequency of the glass that can resonate the glass easily. Experiment I and Experiment II The steps for Experiment I and Experiment II are the same. The only difference is that for Experiment I, three beakers with a different diameter at the mouth of the glass are used. Measure the diameter of the glasses using vernier callipers and label it as Beaker A, Beaker B and Beaker C. Then, for Experiment II, three type of glass are used: a beaker, a wineglass with an inward curvature and a wineglass with an outward curvature. The glasses are labeled as Beaker A, Wineglass A and Wineglass B. After that, for Experiment I, Beaker A is taken to start the first experiment. The frequency for Beaker A is found by using the steps as stated earlier. Roland Cube 60X, an amplifier with a built in loudspeaker which is capable of generating more than 110dB of power of sound is used to shatter the glass. Place the beaker very near to the speaker to so that it is in full contact with the glass. The frequency of the sound is generated by using a frequency signal generator. The frequency signal generator will produce sound waves with the desired frequency, generated by the Roland Cube 60X. The frequency generated will be tested on the beaker; a straw is put into the beaker to see the vibration of the beaker. Then, the volume of the sound is increased until the beaker expands and shatters. The amplitude of sound produced by the Roland Cube 60X that caused the glass to shatter is then recorded. All the data is recorded in a table .The experiment is then repeated by using the Beaker B followed by Beaker C. All the steps for Experiment I are then repeated in Experiment II. In this experiment the glasses are changed into three different shapes of glass: Beaker A, Wineglass A and Wineglass B. 6.0 Data Collection and Processing This section explains the data collected after the experiment was conducted. All the data was taken when tabulated into the table as shown in the table below: Experiment 1 Type of glass Diameter of rim of glass/cm ( ±0.01cm) Frequency of the glass calculated, Hz ( ±1Hz) Actual Natural Frequency of the glass,Hz ( ±1Hz) Amplitude of sound needed , dB( ±1dB) Beaker A 6.28 1515 1466 123 Beaker B 9.46 689 747 128 Beaker C 11.39 625 658 130 Table 6.1: Table of Diameter of rim of glass , natural frequency, the actual natural frequency and the amplitude of the sound needed to break the beaker A,B and C The highest frequency calculated is Beaker A, followed by Beaker B then Beaker C. In this experiment, Beaker A only needs 123 dB to reach its elastic limit. Beaker B needs 128 dB to be broken into pieces while Beaker C is the hardest to shatter, needing 130 dB amplitude of sound to break the beaker. Experiment 2 The data from the second experiment was tabulated in the table below. Type of glass Diameter of rim of glass/cm ( ±0.01cm) Frequency of the glass calculated, Hz ( ±1Hz) Actual Natural Frequency of the glass,Hz ( ±1Hz) Amplitude of sound needed , dB( ±1dB) Beaker A 6.28 1515 1466 125 Wineglass A 6.13 1250 1153 132 Wineglass B 6.17 1449 1388 Cannot be broken Table 6.2: Table of Diameter of rim of glass, natural frequency, the actual natural frequency and the amplitude of the sound needed to break the Beaker A, Wineglasses A and B In this experiment, the highest natural frequency for the glasses is Beaker A. Wineglass B is the second highest followed by Wineglass A. All of the glasses are shattered at their natural frequency except for Wineglass B. Wineglass B cannot be broken, which will be explained in the discussion section of this paper. 7.0 Discussion and Analysis 7.1 How glass can be shattered This part of extended essay will explain the actual concept of how a glass can be shattered. There are several factors that will affect the ability of sound to break a glass. The sound wave used to resonate the glass must be of a high pitch and it will start to make the object vibrate. The constructive interference occurring at the glass walls make the vibration of the glass more visible. Then the following conditions will happen: Figure 7.1a Figure 7.1b Figure 7.1 Figure of an exaggerated example of the view of the rim of the glass from the top view when the sound wave is generated to the glass In the diagram above, it shows that in figure 7.1a, there will be four nodes when the sound wave is resonated to the glass. This type of condition occurs if the frequency generated is the same as the natural frequency of the glass and the amplitude of the sound produced is high. If the amplitude is further increased, the shape of the ellipsoidal rim will increase until it reaches an elastic point until the glass shatters. Comparatively, the diagram in figure 7.1b shows there will be six nodes produced when a higher or lower frequency than the natural frequency of the glass is used to resonate the glass. This is not the most efficient frequency for the oscillation of the glass. Thus the rim of the glass will vibrate in all directions. Below are the properties that will occur when the glass resonates: When sound waves are generated to the wall of glass, constructive interference will occur and the glass will oscillate inwards and turn into an ellipsoidal-like shape at A as shown in the figure. The ellipsoidal-like shape which oscillates inwards will be reflected back to its original position as it doesnt have enough energy (amplitude of sound) to reach its elastic limit B The reflected oscillation of the glass will then exceed its actual rim position as it will oscillate in an ellipsoidal-like shape outwards of the actual rim shape at B. The oscillation will continue as long as the frequency generated is the same as the natural frequency of the glass. But to exceed the elasticity limit of the glass, a higher amplitude of sound wave needs to be generated. A longer ellipsoidal-like shape will be produced. Later will exceed the elastic limit and break the glass into pieces. Diagram 7.2- Properties of wineglass when it undergoes resonance If a different frequency rather than its natural frequency is used, more nodes of oscillation will be produced and it is harder to break as it doesnt reach the glass elasticity limit, as shown in diagram above. The lower number of nodes produced, the further the stretch of the oscillation will be. 7.2 The quality factor (Q-factor) Q factor is a dimensionless parameter that describes how under-damped an oscillator or resonator is  [3]  . It is known that Q factor is inversely proportional with damping  [4]  . The Q factor can be determined by measuring the time taken for the glass from rim to steady mode and has the highest resonance frequency. In the experiment of shattering of glass using sound resonance, the glass cannot be affected by any damping massively. Damping is the decrease in the amplitude of an oscillating system  [5]  . Damping will oppose the direction of vibration of the glass so that it can reduce the glasss vibration. Thus for shattering a glass, the glass with a high Q factor is the best as it will have less damping and higher resonance frequency. Experiment I ( size of the beaker) In this experiment the only difference between the beakers is the size of the beakers. It brings a difference to the amplitude of the sound wave needed to break the glass. After the experiment has been done, it becomes clear that there is a connection between the size of the beaker and the ability of the sound to break the glass. From the result, it can be seen that smaller sized glass beaker will break more easily when sound wave of its natural frequency is directed to the wall of the glass. However, it is hard to investigate the exact math relationship between the natural frequency of the glass and the amplitude of the sound wave needed to break the glass. The high amplitude is used to expand the solid state of the glass to a more elastic shape ( liquid state characteristic) of the glass so that the intermolecular forces between the particles can be overcome. In this experiment, the easiest glass to break by sound resonance is Beaker A as the amplitude needed to break the glass is the lowest when compared to the other beakers. This is because the beaker has a high resonance frequency. When the resonance frequency of the beaker is high, the beaker will vibrate more in a period of time. Since the glass is vibrating at a high frequency, the damping effect on the glass less effective. As small beakers will have a low damping effect, the elastic limit for the glass will also be lower. Thus less energy (amplitude of sound) needed to shatter the glass. So for the Beaker A, the size of the beaker is small, the resonance frequency is high and the damping effect is low, thus the quality factor for the glass is high. That is why lower amplitude of sound is required to shatter Beaker A For Beaker B, higher amplitude of sound is needed to break the beaker. This because the size of the glass is bigger than Beaker A. Beaker B will have a lower resonant frequency compared to Beaker A. This is because the natural frequency of Beaker B is lower when compared to Beaker A. Thus there will be less vibration of the particles of glass per second. As the resonant frequency of the glass is lower when compared to Beaker A, the damping for Beaker B will be higher when compared to Beaker A. Therefore, the elastic limit for the glass to break will also be higher when compared to Beaker A. Since damping is inversely proportional to Q factor, thus the Q factor of Beaker B will be lower when compared to Beaker A,. Thus it will require a higher concentration of energy (amplitude of sound) to reach the four nodes mode oscillation of glass and later to exceed the elastic limit of the glass. The hardest beaker to shatter is Beaker C. This is because the size of Beaker C is bigger than Beaker B and Beaker A. In this case, the glass with the lowest resonance frequency is Beaker C. This is because the frequency of Beaker C is very low when compared to the other two beakers. Lower frequency means a lower number of vibrations of the particles of glass per second. Thus there will be a higher damping effect for Beaker C. Damping will oppose the force of the vibration, thus making it harder for the glass to resonate. The Q factor for Beaker C is the lowest compared to Beakers B and A. Thus the amplitude needed to break Beaker C will be the highest as the beaker need more energy to reach the beakers elastic limit. What is needed for the glass is to have a strong resonance where it will vibrate at a higher resonant frequency, with less damping effect and a high Q factor. Then it is possible to force the beaker to vibrate with a bigger displacement and then break. Experiment II ( Shape of the glass) In this experiment, the most important factor that is manipulated is the shape of the glass. The shapes used in this experiment consist of shapes that have tall sides and sides with curvature. These two shapes of glass can be broken easily by sound resonance because of the structure of glass that has a certain type of periodic structure. The connection between the sound resonance and the periodic structure of the glass makes the vibration of the glass stronger. Strong vibration can reach the four nodes mode of the glass until it reaches the elastic limit of the glass. The shape of Beaker A is with less curve and more tall sides when compared to the wine glass with curved inward or outward sides of glass. The amplitude needed to break Beaker A, Wineglass A and Wineglass B are not the same as the shape of the side wall of the glass will play a major role in the ability of sound to break the glass. When comparing all three type of glass, the glass most easily shattered is Beaker A. Having a glass with tall sides with minimum curve promotes better vibration of the glass and makes it easier to break. This is because; there will be less damping effect that will occur when using Beaker A. The tall sides with minimum curve will reduce the damping effect of the beaker. Since the damping effect for Beaker A is low, the resonance frequency of Beaker A will be high and thats why the natural frequency of the beaker A is the highest. Since the Q factor is inversely proportional to the damping effect, thus Beaker A has the highest Q factor. Thats why lower ampli tude of sound is needed to shatter the beaker when compared to Wineglasses A and B. The curved shape of Wineglass A makes it hard for the glass to resonate at its natural frequency. Curved walls make the glass wall more suitable for damping. Due to the damping effect, the structure of the curvature in the wall can easily reshape to its actual position even though it vibrates under sound resonance. This will increase the elastic limit of the glass thus making it harder for Wineglass A to shatter. Thats why Wineglass A needs higher amplitude of sound to break the glass when compared to Beaker A. As the damping effect for Wineglass A is higher than Beaker A, thus the resonance frequency of wineglass A is lower when compared to Beaker B and the Q factor for Wineglass A is lower when compared to Beaker B. Thus Wineglass A is more resistant to being broken by sound resonance when compared to Beaker A. In contrast, Wineglass B is different from Wineglass A and Beaker A. This is because Wineglass B cannot be shattered even though 140 decibels of sound are emitted to the glass. The shape of the wineglass itself causes it to stay rigid and it cannot be shattered. The shape of Wineglass B is curved outwards at the rim of the glass. The shape of Wineglass B makes the wineglass easier for damping. This is because, when Wineglass B is resonated at its natural frequency, it is hard for constructive interference to occur between the waves as damping occurs easily. The damping effect of Wineglass B is higher when compared to Wineglass A and Beaker A as the shape of Wineglass B is not a periodic structure. Though the natural frequency of Wineglass B is higher than Wineglass A , Wineglass B still cannot be shattered into pieces because the energy supplied to the glass is not enough to overcome the high damping effect of the glass. Thus in this experiment, glass with sides which dont curve in t oo much at the top and also have tall sides of wall of the glass are most easily shattered by using sound resonance. Conclusion and Evaluation There are several factors that affect the shattering of glass such as the size of the glass, the shape of the glass, the thickness of the glass and also the type of glass used. In this experiment, the research concerned the question: does changing the size of the beaker affect the amplitude of sound needed to shatter the glass? After conducting the experiment, it can be seen that in Experiment I, the lowest amplitude needed to break the glass is on the smallest beaker which is Beaker A. It only needs amplitude of 123dB to shatter a glass with diameter of 6.28cm The second easiest size of glass to be broken by sound resonance is Beaker B; it only needs an amplitude of 128dB to shatter a glass with the diameter of 9.46cm. The most difficult beaker to shattered through sound is Beaker C as it needs an amplitude of 130dB to shatter a glass with diameter of 11.39cm. This answers the research question as there is a pattern to the ability of sound to shatter glass: the smaller the size of t he beaker, the easier it is for the glass to be shattered as it requires lower amplitude of sound. Thus the size of glass plays an important role in determining the amplitude of sound needed to break the glass. For the second experiment, the investigation was based on the research question of does changing the shape of the glass affect the amplitude of sound needed to shatter the glass by sound resonance? The result from the experiment proves that the less the curvature of wall of the glass, the more easily the glass is shattered by sound resonance. In this experiment, Beaker A has the lowest curvature structure of the wall and it requires 125 dB of amplitude of sound to shatter the glass. It is followed by the Wineglass A with the wall curved inwards. Wineglass A needs a sound with amplitude of 132dB to shatter the glass. Wineglass B cannot be shattered by sound resonance. Thus the Wineglass B is the hardest to shatter by sound resonance when compared to Beaker A and Wineglass A. Thus a different shape of glass needs a different amplitude of sound to shatter it and in this experiment Beaker A is the easiest to shatter. The method used in this research is not the most efficient way to find the amplitude of sound needed to break glass. This is because there are weaknesses and limitations to this experiment that can affect the results of the experiment. One of the weaknesses of the experiment was the calculation of the natural frequency of the glass. The natural frequency of the glass, which was calculated by using the software Cool Edit Pro, was not accurate enough. That is why to get the actual natural frequency of the glass was hard because we need to trail at about  ±100Hz. This is because when recording the sound produced when the glass is hit by a metal spoon, there will invariably be a background sound recorded along with the sound from the glass. Thus this will affect the frequency of the glass calculated. Instead of using the microphone and Cool Edit Pro, another device can be used to detect the frequency of the glass: a frequency analyser. Another weakness of the experiment was that the sound generated by the amplifier wasnt concentrated enough upon the glass. This is because there might have been leakage of the sound energy. The size of the amplifier was very big and the sound directed to the glass was not efficient enough, thus it will have excited the glass in an inefficient way. But this can be overcome by using a compression driver. This is because the compression driver has a small diaphragm. Thus it can concentrate and direct the sound into one side of the glass wall. This way of generating sound is more efficient when compared to using Roland Cube 60X. The sound from the compression driver also needs to be generated close to the wall of the glass. To reduce the leakage of the sound, a Perspex box should be used so that all the sound energy will be concentrated upon the glass. The biggest limitation of the research is that the apparatus that can be found in the college library makes it hard to break the glass efficiently. This is why it is hard to break the wineglass and also the beaker at its natural frequency. The apparatus that was used from the college laboratory made it impossible to perform extensive research into the experiment. That is why it is hard to break Wineglass B with the apparatus. The apparatus that can be improved is using a compression driver instead of the loudspeaker/amplifier. Other than that, instead of detecting the volume by using the amplifier, a volume meter in decibels should be used so that a more accurate measurement of the amplitude of sound can be measured. The experiment can be extended into more in depth research by using a greater variety of sizes of glasses so that a pattern can be seen for the volume of sound needed to shatter the glass. Other than that, a greater variety of different shapes of glass also should be used so that a standard measurement of the volume of the sound needed to shatter the glass can be calculated. This experiment is important as it will explore the effect of sound resonance upon our lives. Sound resonance can vibrate any object in the world, thus this experiment has been to explore the beauty of the mechanical resonance that can distort the shape of glass.

19th amendment :: essays research papers

AMENDMENT 19   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  The amendment that I chose to do my report on is the 19th amendment. This amendment guaranteed the voting right to all of the American woman. The victory of this amendment took decades to be passed. In August of 1995 marked the 75th anniversary of the ratification of this amendment. This amendment was ratified on August 24,1920. The first three states to approve this amendment were Illinois Wisconsin and Michigan. When this amendment was first put out into the society the men and people didn’t know what to think. They mostly thought of it as outrageous to let a woman vote. A lot of people also thought of this as something that they didn’t have to worry about that it was just some stupid thing that would go away. Woman on the other hand took this matter very seriously. They often held silent vigils and hunger strikes. When the women did this they were often heckled at, discriminated against, sent to jail, and some men even physically abused them.   Ã‚  Ã‚  Ã‚  Ã‚  One of the more famous parades that they groups of woman had was call the â€Å"SUFFARAGE PARADE†. This parade was held in New York City in 1912. New York adopted women’s suffrage in 1917. The president Woodrow Wilson started to change his mind on which side that he thought was right. He began leaning more towards the woman’s side. When he did this he made more people think that it was good what the woman were doing. On May 21, 1919 the House of Representatives passed the amendment. Just two weeks after the Senate did the same thing. Tennessee was the 36th out of 50 states to ratify this amendment.   Ã‚  Ã‚  Ã‚  Ã‚  Now a day’s many people would think that this would be silly and stupid, but to many women back then if was a very serious matter. 19th amendment :: essays research papers AMENDMENT 19   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  The amendment that I chose to do my report on is the 19th amendment. This amendment guaranteed the voting right to all of the American woman. The victory of this amendment took decades to be passed. In August of 1995 marked the 75th anniversary of the ratification of this amendment. This amendment was ratified on August 24,1920. The first three states to approve this amendment were Illinois Wisconsin and Michigan. When this amendment was first put out into the society the men and people didn’t know what to think. They mostly thought of it as outrageous to let a woman vote. A lot of people also thought of this as something that they didn’t have to worry about that it was just some stupid thing that would go away. Woman on the other hand took this matter very seriously. They often held silent vigils and hunger strikes. When the women did this they were often heckled at, discriminated against, sent to jail, and some men even physically abused them.   Ã‚  Ã‚  Ã‚  Ã‚  One of the more famous parades that they groups of woman had was call the â€Å"SUFFARAGE PARADE†. This parade was held in New York City in 1912. New York adopted women’s suffrage in 1917. The president Woodrow Wilson started to change his mind on which side that he thought was right. He began leaning more towards the woman’s side. When he did this he made more people think that it was good what the woman were doing. On May 21, 1919 the House of Representatives passed the amendment. Just two weeks after the Senate did the same thing. Tennessee was the 36th out of 50 states to ratify this amendment.   Ã‚  Ã‚  Ã‚  Ã‚  Now a day’s many people would think that this would be silly and stupid, but to many women back then if was a very serious matter.

The Reasons Why Firms Want to Use Earning Management

Good afternoon everyone, today we are going to continue to talk about the consequence of Earning Management, I am xxx We will present the bad side of earning management through 2 cases, The first one is Enron: what happened and what we can learn from it and the second one is the ethical dilemma at Northlake. Both cases are present how management is motived to manipulate accounting numbers to achieve their specific purpose, for example in the first case, Enron increased their net income through many methods to rise their share price, but in the second case, the company decreased their net income.However, both earning management comes with the bad consequences happened to the society. Next, we are going to see another example which is how management is motived to manipulate accounting number to reduce or underprovide for environment and restoration costs. As a result, there cause some ethical issue. First let us go through the Background information: (A. F. P. Company). It is in the Pu lp and Paper industry. The company had three major mills, located in some of the more remote location in the province. From A. F. P.Company’s standpoint, of course they do not want to expend too much money on the discharge of waste water from pulp and paper mills; furthermore, the firm had been facing difficult financial times due to recession, and this had caused substantial hardship in the three small communities where the mills were located. But, as in the Pulp and Paper industry has the responsibility to the new government proposals to put effluent controls on the discharge of waste water from Paper mills in environmentally sensitive regions of the province. Therefore, the managers in the (A.F. P. Company) find a way to give themselves a reasonable reason not to install the cleaning equipment. CEO and V. P. of A. F. P. collude together to use earning management to increase their cost on the financial analysis. in the financial report, they states that â€Å"we will have severe financial problems if we are forced into building a lagoon for waste water treatment†, in order to show their fake severe financial problem going to happen, they highly estimate their operating cost would rise 30%, but in fact their cost only can be rise around 8%-10%).And they also highly estimated all other costs. In addition, they don’t take into account the damage to the local river at all. The people live in the downstream are still drinking the garbage or damaged water In this case, let us put all the legal issues behind, and focus on the ethical issue first. As the case mentioned the down totally dependent on the mill for economic survival. It is kind of like Blackberry in Waterloo.As the mills goes, so goes the town. And will thousands of people lost their jobs, if put you in the position to decide between the economic survival or environment damage, how will you decide? If you in the position of A. P. F’s accountant how do you decide between your personal benefits and code of professional code? Let’s say, if you do not use earning management to increase the cost, you will force to lose your job by the CEO.

Laissez-fairre essays

Laissez-fairre essays The principle of laissez faire is that the an unobtrusive government is the best government; that the government necessarily only 'maintain domestic tranquillity, defend the people from invasion, and protect them when travelling.' To leave economic workings of the country to the people and let the 'motives for production' be that of the people not the government. Our government took such a stance in its early decades, but as national debt rose, interstate commerce became indomitable, and the economy lost its strength, the need to patch the economy became very important. The government found that the needed patch was much more important than the laissez faire freedom previously given to monopolistic trusts, who were loosing favor with the majority of the lower class, who shared on 50% of the nation's wealth. As an attempt to end all that ailed the country the government began limiting land grants, instituting interstate commerce laws, and passing anti-trust bills, like The Sherman Ant i-Trust Bill. As the railroads became larger and more powerful, the need to give away land to million dollar companies became ludicrous to many citizens, especially in light of the declining economy. These changing feelings among the people (voters) moved congress to decide that 'no subsidy in money, bonds, public lands, indorsement, or by pledges of public credit' should be given to the railroad or any other private company, when it could be spent on the common good of the public, or kept as capital in the Public Treasury. The idea that no land need be given to the companies anymore was also supported by the growing feeling of being cheated by the railway through rebates, and other discriminations between large and small business. The decision to regulate interstate commerce grew mostly out of the rebate, and long-haul, short-haul discriminations of the railroads. The growing feeling that the business were running their businesses only ...

Pesticide Using Essays

Pesticide Using Essays Pesticide Using Essay Pesticide Using Essay except the control. In one civilization, his cells were exposed to nil ( control ) , in another civilization, the cells were merely exposed to growing factor. In the 3rd civilization, he had cells exposed to growing factor and bifenthrin, and in the last civilization, he had cells exposed to growing factor, bifenthrin, and to 2ug/ml PolicosanolPlus and Neuroprevin. During this portion of the experiment, note that he added all the constituents to the civilization at the same clip, right when the cells were seeding. Weeks found that cells with NGF did turn and widen neurites ( B ) . Cells with NGF and bifenthrin ( BiF ) did non bring forth as many neurites ( C ) , and cells with NGF, bifenthrin, PolicosanolPlus ( P ) and Neuroprevin ( NT ) , really did bring forth neurites ( D ) ! Adding PolicosanolPlus and Neuroprevin at the same clip as bifenthrin to the cells, masked bifenthrin s inhibiting ability, and in bend led to the growing of neurites. The below is a image, which illustrates this. A is the control civilization. Over a 72 hr period, Weeks found the same decision. 55 % of the cells with NGF extended neurites. Merely 3 % of the cells treated with bifenthrin and NGF had neurites. Cells with either PolicosanolPlus or Neuroprevin or a combination of the two exhibited the same consequences, that there were 46-51 % of cells that had neurite formation and extension. two demonstrates this below. It can be seen that the bulk of neurites formed when there was NGF, and the nutraceutical addendums present. The undermentioned tendency can be seen: NGF, along with PolicosanolPlus and Neuroprevin, prevent the inhibiting effects of bifenthrin. Note that during this full experiment, the cells were still feasible, it s merely the neurites that were affected by the pesticide and addendums. Dr. Weeks did another experiment, where he changed the manner he added the variables. At cell seeding, he merely added NGF and PolicosanolPlus and Neuroprevin, intending in all the civilizations he added the growing factor. He left one civilization with merely growing factor as the control, another civilization with growing factor and PolicosanolPlus, another with Neuroprevin and NGF, in the 4th one another there was both PolicosanolPlus and Neuroprevin and NGF, and in the last one, there was merely growing factor which was traveling to be used subsequently on. 24 hours after the cells seeded, Dr. Weeks added bifenthrin to all the civilizations except the control. In the last civilization, he found that NGF did non dissemble the effects of bifenthrin, and alternatively bifenthrin caused a lessening in neurite formation and extension, which was besides shown in two, when the NGF and bifenthrin were added together. After 72 hours, he saw that merely 5 % of the cells had neurites in thi s civilization. With the PolicosanolPlus + NGF, Neuroprevin + NGF, PolicosanolPlus and Neuroprevin + NGF civilizations, he found that the addendums one time once more prevented neurite devolution and abjuration. 63-67 % of the cells contained neurites after 72 hours. four exemplifies these tendencies. Many scientists now think that exposure to pesticides may really be doing many neurodegenerative diseases in worlds. Dr. Weeks paper is merely one that supports this point. Industrial exposure to pesticides has ever been a concern, but what about family exposure? There are pesticides at place that we are exposed to mundane. Yes, companies have tried to do man-made pesticides, which seem to be less toxic. However, these man-made pesticides have shown that they truly are nt less toxic, and can do neurodegenerative disease merely as the extremely toxic one, possibly at a slower gait, but that s about it. At the same item, pesticides can non be disposed of. They do hold their advantages, such as eliminating insect-borne disease. Again, here comes in the double-edged blade. What do we make? A promising solution seems to be nutraceutical addendums, which allow pesticides to be without damaging nerve cells. These addendums help protect neurites and let them to organize even if when the pesticides try to suppress their formation. In footings of the environment, bifenthrin, compared to other pesticides is non so much of a job. It stays in the dirt and does nt fade out in H2O. It does bioaccumulate in birds, which lead to many birds deceasing, but overall, there has nt been another Silent Spring yet so as of now we are ok. How long that is traveling to last? No 1 knows. It s best to get down taking action right off. Additionally bifenthrin is stable, is nt every bit toxic as other pesticides, and does nt truly ache worlds if they are exposed to it a small. That does nt intend bifenthrin should ever be used. There should be alternate agencies to pesticides, or at least addendums that counter their effects. Plants Cited Fecko, Andrew. Environmental Fate of Bifenthrin. Publication. Web. lt ; www.pw.ucr.edu/textfiles/bifentn.pdf gt ; . Gbaruko, Benedict C. Organophosphate induced chronic neurotoxicity: Health, environmental and risk exposure issues in developing states of the universe. Frican Journal of Biotechnology 8 ( 2009 ) : 5137-141. Web. lt ; www.atlas.iviji.com/AJB/PDF/pdf2009/19Oct/Gbaruko % 20et % 20al.pdf gt ; Hougard, J. M. Bifenthrin: A Useful Pyrethroid Insecticide for Treatment of Mosquito Nets. Publication. Web. lt ; www.emerald.qld.gov.au/Temp_Documents/Hougard.pdf gt ; . Neuroprevin. Advanced Labs. Web. lt ; hypertext transfer protocol: //www.innlabs.com/neuroprevin.html gt ; . Pesticide User s Guide. Web. lt ; hypertext transfer protocol: //ohioline.osu.edu/b745/b745_4.html gt ; . Pyrethroids/ Pyrethrins. Safety Source for Pest Management. Web. lt ; hypertext transfer protocol: //www.beyondpesticides.org/infoservices/pesticidefactsheets/toxic/pyrethroid.htm gt ; . Web. lt ; hypertext transfer protocol: //en.wikipedia.org/wiki/Bifenthrin gt ; . Weeks, Benjamin, and A. Nandi. Bifenthrin causes neurite abjuration in the absence of cell decease: a theoretical account for pesticide associated neurodegeneration. 2006. Web. lt ; hypertext transfer protocol: //www.ncbi.nlm.nih.gov/pubmed/16641870 gt ; . Weeks, Benjamin. PolicosanolPlus and NeuroprevinTM ameliorate pesticide-mediated suppression of neurite branch and neurite devolution. Med Sci Monit ( 2006 ) : 379-84. Hypertext transfer protocol: //cat.inist.fr/ ? aModele=afficheN A ; cpsidt=18443851. Web.

Windows versus mac Essay Example | Topics and Well Written Essays - 1000 words

Windows versus mac - Essay Example Mac OS X, a proprietary, graphical operating systems developed, marketed, and sold by Apple Inc., which is pre-loaded on all currently shipping Macintosh computers. The most recent being Mac OS X v10.4, which was first made available in April 2005. Releases of Mac OS X are named after big cats and OS X v10.4 is usually referred as "Tiger". Mac OS X is a Unix-like operating system and the successor to the original Mac OS, which had been Apples primary operating system since 1984. [W3] The comparisons of Windows Vista and Mac OS X from User-Interface, security, speech-recognition, web-browsing, multimedia authoring, Widgets/Gadgets, kernel and performance perspective is given in following paragraphs. User Interface (UI): Windows Vista is very attractive, extremely straightforward and easy to grasp compared to Mac OS X. Vista is better looking than OS X, but only in the Aero UI and only at a cosmetic level. This new interface (Windows Aero) is cleaner and more aesthetically pleasing as compared to previous versions. It has features such as new transparencies, animations and eye candy. Security: This is the tough task as Vista is only one month old (commercially). Microsoft Vista includes virus and adware scanners and advanced phishing protection. On Mac OS X, one can download anything and everything because having secure (or trust) in the knowledge that they will not get logic bombed into oblivion. Worms are rebuffed Mac OS X and Internet hacks are almost non-existent in it. While Vista will definitely have some sort of major exploit, which will emerge within the next year as it is only two months old. (Biggs 2007) Speech Recognition: – Speech recognition is fully integrated in Windows Vista is at it best. Microsoft Speech Recognition, with having supports to several languages, a better interface, a rich and flexible set of commands, and an extensive command-and-control capability to activate the computer by voice. Voice recognition in OS X is an

Cutting edge material - interior design Assignment

Cutting edge material - interior design - Assignment Example The natural cooling element in sports apparel is among the cutting edge fabric technology of this time. Technical apparel fabrication from the company VIRUS is a good example of such technology. The fabric is used to reduce the skin surface temperatures (Poon, 2014). The fabric becomes the athlete’s friend at high temperatures (Poon, 2014). It can reduce the temperature on the skin by up to 5 degree Celsius (Poon, 2014). It is made my recycled jade shavings and has apparently no negative impact on skin. Cowhide rugs can adorn your walls and floors with elegance. They are fashionable and convenient as they are very easy to clean (Shackelford, 2013). One can put them in libraries, halls, family rooms and just about anywhere. If one spill something on them, the stain be easily cleaned with dry cloth or paper towel (Shackelford, 2013). If the stain is a tough one, use a wet cloth. Sticky and dried up stains can come off easily by brushing them off. Poon, Cassidy. â€Å"VIRUS – Cutting Edge Action Sport Performance Apparel launches in Australia.† LinkedIn. N.p. 2014. Web. 26 August 2014 https://www.linkedin.com/today/post/article/20140407100610-13040073-virus-bleeding-edge-fabric-technology-to-the-action-sport-athlete. Renzi, Jen. "Joseph La Pianas Mesmerizing Rugs for Patterson, Flynn & Martin."Architectural Digest. N.p., 2013. Web. 26 Aug. 2014.