H.J.Hong CIE INTERNATIONAL GCSE COMPUTER STUDIES GLOSSARY Actuator – It is a device that can be operated by signals from a computer or control system causing physical movement. (E.g. devices for opening windows in a computer controlled ventilation system) Algorithm – It is a sequence of instructions designed to perform a particular task and it is independent of any programming language. It includes precise details about the operations to be performed and in what order. (E.g. pseudo-code or program
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Topic: Some people think that computers and the Internet are more important for child’s education than going to school. But others believe that school teachers are essential for children to learn effectively. Discuss both views and give your opinion. -- No one can deny the importance of computers and the Internet for children during their study progress. Although these means bring to users a large number of advantages‚ I believe that learning at school and interacting with teachers are much more
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Case study 4 Problems in Computer World 1. How many of those commandments are being broken here? These are the commandments they are written by the Computer Ethics Institute: 1. Thou shalt not use a computer to harm other people. 2. Thou shalt not interfere with other people’s computer work. 3. Thou shalt not snoop around in other people’s computer files. 4. Thou shalt not use a computer to steal. 5. Thou shalt not use a computer to bear false witness. 6. Thou shalt
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Case Study: Apple Computer (2006) Apple Computer has always been an interesting and often exciting firm. It had been the first to make and the mass-market a personal computer with its Appl IIc. The company had been the darling of the stock market in the mid-1980s when it cemented its technological advantage through the introduction of its state-of-the-art Macintosh (MAC) personal computer. Nevertheless‚ the Microsoft Windows operating system and Office software coupled with Intel microprocessors
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ter COMPUTER Computer is one of the wonderful wonders of modern science. It is a fairly recent invention. It has become an essential part of modern life. It has made our way of life easy and comfortable. We cannot do anything today without a computer. A computer is basically a processor of information. Any device that helps people perform mathematical calculation may be called a computer. A computer performs three functions. Firstly it receives data‚ secondly it process
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ways of interaction. The most crucial field of research is Brain Computer interface. Primary destination of this study is to show the possible designs and illustrate a device which can recognized brain signals as input with the help of researches which are done in the past. Moreover‚ in this study the users of a device will also be discoursed. HOW BCI ADDING NEW FUNCTIONALITIES TO HCI? Why need brain computer interfaces? Brain Computer Interfaces give utterly another means to people to communicate
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A computer is a general purpose device that can be programmed to carry out a set of arithmetic or logical operations automatically. Since a sequence of operations can be readily changed‚ the computer can solve more than one kind of problem. Conventionally‚ a computer consists of at least one processing element‚ typically a central processing unit (CPU)‚ and some form of memory. The processing element carries out arithmetic and logic operations‚ and a sequencing and control unit can change the
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of science‚ amongst other things. We have been observing great scientific achievements since the dawn of the 20th century. But the invention which has brought about a revolutionary change in the world is computer. The history of computer science began long before the modern discipline of computer science that emerged in the 20th century‚ and hinted at in the centuries prior. The progression‚ from mechanical inventions and mathematical theories towards the modern concepts and machines‚ formed a major
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We are becoming increasingly dependent on computers. They are used in business‚ hospitals‚ crime detection and even to fly planes. What things will they be used for in the future? Is this dependence on computers a good thing or should we be more suspicious of their benefits? In the last two decades cybernetics have experienced a major breakthrough .This led to the utilization of computers in nearly all parts of our daily life‚ from personal computers to the ones performing complicated surgeries
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for writing computer essay to the students they do not know which topic they should go for. There are millions of essay about computers topics that you can write on‚ but the problem arises when you have to choose any one of them which is not only the best but informative as well. The first thing a writer should do is to ask himself or herself for what purpose he is writing the computers essay‚ mean do they want to inform or persuade or discuss‚ once the type of the essay on computers is decided
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