erUNIT 1 INTRODUCTION TO COMPUTERS Structure 1.1 1.2 1.3 Introduction Objectives Introduction to Computers Why Computer? Evolution of Computers 1.3.1 The First Computer 1.3.2 Some Well Known Early Computers 1.3.3 Computer Generations 1.4 1.5 1.6 1.7 1.8 1.9 Components of a Computer Hardware vs Software System vs Applications Software Bits and Bytes Input and Output Devices RAM/ROM 1.10 Secondary Storage Devices 1.11 Summary 1.12 Answers to SAQs 1.1 INTRODUCTION This unit aims
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started to read the poem “In my computers” by Alan P. Lightman‚ I did not understand what the author wanted the readers to understand; however‚ I reread it several times and I started to figure out several thoughts. One of the first thoughts that came into my mind was that he is obviously talking about technology‚ but he is talking way beyond technology. He is talking about the distinctive programs that computers share today with us humans. The programs that today computers share are not common and definitely
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Computers in accounting Uses and advantages and disadvantages of computers in accounting Traditionally accounts were kept by the means of handwritten record. Computers have only begun to be used in some of the functions of accounting over the last fifteen years or so. As computers became cheaper‚ easier to use‚ and more powerful‚ more firms have decided to computerise their own accounting records. However‚ some firms‚ (albeit a declining number) still prefer to use handwritten accountings. This
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Supercomputer Supercomputer is a broad term for one of the fastest computers currently available. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations (number crunching). For example‚ weather forecasting requires a supercomputer. Other uses of supercomputers scientific simulations‚ (animated) graphics‚ fluid dynamic calculations‚ nuclear energy research‚ electronic design‚ and analysis of geological data (e.g.
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Effect of computer addiction Computer addiction‚ our world is surrounded by technology and we use technology to almost everything‚ our world has gotten so used to tehcnology around us we cannot imagine a life with it‚ though it can come handy it still has its negative effects. Computer addiction is common nowadays beacuse we cant imagine living a life without technology‚ we use computers for almost everything.Parants usually buy their kids computer to study but teenagers often find a
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Introduction of Computers What is Computer. Computer is an electronic machine‚ which accepts instructions‚ commands and information‚ based on the information process the given information at Ultra High Speed and produce the result on the screen and printer. Qualities of Computer. Possess the following:- a. Ultra High Speed b. Accuracy c. Huge Capacity for Storage d. Decision Making Ability Main Parts of Computers. Following are the main parts
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society‚ almost every household has at least one computer if not more. In fact‚ it is not strange to walk in to a house that has two or three computer. Computers are all the same in one way or another‚ although they do vary from sizes to capabilities. Laptop computer and Desktop Computer are two computers that are similar but different. A Laptop computer is considered top of the by almost anyone who knows about them. A laptop computer can cost a person any where from eight hundred dollars
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Computer Technology Computer Technology Technology has helped us in every phase of life since the beginning of time. From the invention of the simple calculator to the Internet‚ technology has been a great factor on the way our civilization has grown. With more and more technological advances just around the corner‚ our civilization will continue to grow faster and faster than ever before. After the invention of the computer this world did many inventions in a short time with the help of technology
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Computer Illiteracy There is a problem out there that haunts many troubled souls in our society. It is powerful. It can strip the pimple-faced class whiz of all his sickening pride. It can make the intelligent person feel like a complete idiot. It can make the confident doubt themselves. To those who have this problem‚ it seeks to make their lives a living hell. This beast is called computer illiteracy. The problems arising from computer literacy are becoming more evident as colleges and
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Computer addiction is a mental illness which causes the excessive use of computers to the extent that it interferes with daily life. Excessive use may explain problems in social interaction‚ mood‚ personality‚ work ethic‚ relationships‚ thought processes‚ or sleep deprivation. The Diagnostic and Statistical Manual of Mental Disorders does not include a diagnosis for such a disease. The term ′computer addiction′ originated long before the Internet. Some people develop bad habits in their computer
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