to many important inventions. One of them is the computer. About a decade back‚ a computer was seen as a wonder machine. A few years later‚ this wonderful machine came closer to us as the Personal Computer (PC) entered the household scene. The computer today plays a significant role in our everybody’s life. Computers are used practically everywhere. The use of computer in our country in the past two decades has taken a big jump. Today computers do much more than simply compute‚ super market scanners
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In today’s modern world‚ computers are needed everyday. Around the world‚ children use computers from the time they are little. It’s true that children should have fun when they are young; however‚ in my opinion‚ a child who knows how to use the computer will be more successful in the future. My reasons for this view are personal‚ academic and professional. From a personal point of view‚ computers can help young people to learn more about the world. For example‚ some children use the Internet to
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Generations of Computer Computer Age: Past‚ Present‚ and Future The First generation The Second Generation The Third Generation The Fourth Generation The Fifth Generation The Computer Age 1951-1958 The First Generation Vacuum Tube – – Rapid changes Four generations over 50 years Trends across generations – Decrease size – Increase speed Magnetic core memory Storage – – Heat Burnout Machine language Punched cards Tape (1957) Characteristics of 1st Generation Computers Computers
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The computers are essential in all fields and are also used for the sake of entertainment. We are using computers in our home‚ in our daily life to get facilities. But the computers have more negative than positive effects when using a computer everyday. 1. Actually in other words we can say that Computer is a machine that makes everything on the Internet so easily accessible that it is difficult to keep children away from things they are not supposed to know at a certain age. Children especially
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Computer technology permeates most aspects of our lives. The ability to use computer technology and to evaluate electronic information has become a basic skill for most of people. In most places of business‚ a computer is standard. In the bank they use computers to look up for account information. They use computers in the auto repair shop to assess the cars. We can’t find books in the library by looking in a card catalog — we must use a computerized database. Doctors’ offices utilize computers
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MAIN COMPONENTS OF PERSONAL COMPUTER INTRODUCTION: IN 21st century our life is run without computer. We must need the help of computer every day of our life. Computer are indispensable to wok home‚ management and entertainment in modern life. The project work shows what are the main components to run a computer. Personal computer have lots of components the main components are keyboard‚mouse‚ram‚dvd drive‚ hard disk‚ video card‚ mother board‚ processor‚ disk controller
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LECTURE 2 COMPUTERS ARE EVERYWHERE 1 – THIS LECTURE LOOKS AT A FEW SPECIFIC AREAS of SOCIETY AND WHERE COMPUTERS ARE USED » TRANSPORT » MEDICAL WORLD » AGRICULTURE » AIRLINE TRAVEL COMPUTERS ARE EVERYWHERE 2 Computers are everywhere. Our lives are directly affected when they do not operate. Computers have infiltrated our lives so we do not know how to function without them. INFORMATION AGE 3 We live in what we call the INFORMATION AGE – Evolving more
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13 Prof. Anatoly Sachenko Computer Hardware I. LECTURE OVERVIEW Foundation Concepts: Computer Hardware‚ reviews trends and developments in microcomputer‚ midrange‚ and mainframe computer systems; basic computer system concepts; and the major types of technologies used in peripheral devices for computer input‚ output‚ and storage. Computer Systems – Major types of computer systems are summarized in Figure 13.2. A computer is a system of information processing components that perform
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COMPUTER ARCHITECTURE AND DESIGN’S REVIEW QUESTIONS From “Computer Organization and Architecture” book‚ by W. Stallings - 8th edition - Pearson PAGE 15 - CHAPTER 1 / INTRODUCTION Review Questions 1.1. What‚ in general terms‚ is the distinction between computer organization and computer architecture? Computer organization is how devices is implemented. Computer architecture is those atributes visible to the programer. Computer architecture refers to those attributes of a system visible
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Computer systems may be classified into the following groups: 1 - The supercomputers are extremely fast computers that are used in scientific research for their ability to do large amount of calculations and store large amount of data. One use of these computers is weather forecast because of the large amount of calculations involved. 2 - Mainframe computers allows several thousands of users at any time. They are used by government companies‚ airline companies for bookings‚ insurance companies
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