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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A computer virus is an illegal and potentially damaging computer program designed to infect other software by attaching itself to any software it contacts. In many cases‚ virus programs are designed to damage computer systems maliciously by destroying or corrupting data. If the infected software is transferred to or accessed by another computer system‚ the virus spreads to the other system. Viruses have become a serious problem in recent years‚ and currently‚ thousands of known virus programs
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Statement of Purpose I Sandeep Massey introduce myself as an applicant for a New Zealand student visa. Here I have attempted to put a little insight into my academic and family background. My father Mr. Ajay Barket Massey is a . My mother Niramal Kumari Massey is a house-wife. With the guidance and encouragement of my parents‚ I have decided to go for higher studies at New Zealand to become a successful person in life. I would like to upgrade my qualification and career studying at AWI International
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STATEMENT OF PURPOSE My decision to apply for MIS course at your university is driven by my aspiration to work in a challenging domain‚ where I can put my technical and analytical skills to the best use for the benefit of my company. With computer and the processing of information becoming ubiquitous‚ this field finds a critical place in decision making in organizations. I have a firm belief that this emerging dynamic and challenging management knowledge field will enable me to utilize my skills
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Statement of Purpose My interest in applied science dates back to my school days. I had a strong fascination and admiration towards how electronic gadgets work. Building science models & electronic circuits which initially began as a hobby to me during my schooling days‚ soon became a passion over the years. One of my model‚ named “Proto-Computer”‚ a working model of a binary to digital converter was exhibited at “National Science Day Competition” conducted by Indian Space Research Organization
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STATEMENT OF PURPOSE I‚ would be pleased to study in Australia for my post graduation i.e. Master of Information Technology (Professional) related to my previous studies in one of the top universities of Australia‚ Deakin University. Today my decision to pursue my post graduation in Australia is certainly because of a good helping hand and supports from my parents. After successfully concluding my secondary schooling with 87.86%‚ I joined science stream. Without any doubt it was also a subject
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Computer keyboard In computing‚ a keyboard is a typewriter-style device‚ which uses an arrangement of buttons or keys‚ to act as mechanical levers or electronic switches. Following the decline of punch cards and paper tape‚ interaction via teleprinter-style keyboards became the main input device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing
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Peter Norton’s Introduction to Computers‚ 6e End of Chapter Solutions Chapter 3 Chapter 3; Lesson A Solutions Key Term Quiz 1. In computer use‚ the skill of typing is often referred to as _________________. 2. IBM-compatible PCs have 10 or 12 _________________ keys. 3. In many programs‚ an on-screen symbol called a(n) __________________ or a(n) _________________ shows you where you are in a document. 4. A(n) _________________ is a temporary storage area that holds data until the CPU is
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ELEMENTS OF COMPUTER SYSTEM Computer System Is a complete‚ working computer. The computer system includes not only the computer‚ but also any software and peripheral devices that are necessary to make the computer function. 1. Hardware 2.Software 3.Peopleware / Live ware HARDWARE It is best described as a device that is physically connected to your computer or something that can be physically touched. INPUT DEVICE –any device that allows the person to communicate information to the computer / gives
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STATEMENT OF PURPOSE : My father is an engineer with the Rajasthan State Electricity Board. With three elder sisters and coming from a conventional business and trader’s family he bucked the trend to pursue engineering and then a government job. Since he had not followed the tradition‚ as a child I was never required to follow it. I had exposure to all sorts of options but decided to take up the baton from my father as I had a natural inclination for Mathematics and Science which led to my solid
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