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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Computer Architecture 1. Describe Von Neumann architecture and explain why it is important. The Von Neumann architecture explains the architecture of an electronic computer. It is attributed to be root of every electronic computer that has ever been made. According to Von Neumann architecture an electronic computer has Control Unit‚ Arithmetic Logic Unit‚ Memory & Input / Output Devices. The following diagram shows this architecture:- Memory: - Memory holds both
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Assignment 1: Computer Archtecture Intro to Info Technology – CIS 106031VA016-1144-001 Professor John Murnane May 4‚ 2014 Von Neumann Architecture Von Neumann architecture is a stored program architecture with no differentiation between data and instruction memory. Both the data and instruction reside on a single chip. The concept of no differentiation between data and instruction memory is accurate‚ but existing on one chip has nothing to do with it. Most computer memories
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device of a computer where all data is saved. Hard drives are non-volatile which allows the data to be saved even when the computer is shut down. “Although most hard drives are internal hard drives‚ many users also use external hard drives to backup data on their computer and expand the total amount of space available to them”( "What Is Hard Drive?" Computer Hope. Web. 14 Sept. 2014.) The first Hard Drive was released by IBM in 1956. Random Access Memory (RAM): Another form of computer storage‚
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Speed of a Computer Patrick Reagan Computers and Information Processing/CIS319 David Avery Jr. December 14‚ 2008 Speed of a Computer Computers have evolved dramatically over the last 70 years. The size may be one of the main changes. The first computers were the size of a classroom. Today a computer can fit in an adult hand. Another change is the speed in which the computer operates or processes information. The computer user in today’s market wants information
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Why Is A Computer So Powerful? (CHARACTERISTICS OF COMPUTERS) 1. Programmability This is the most important feature of any computer. Programmability can be simply defined as the ability of a functional unit to perform certain pre-defined operations or tasks automatically and independently under the control of running program‚ with minimum user intervention or assistance. 2. Speed of operation A computer is a very fast device. It can perform in a few seconds the amount of a work that a human
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Computers have become such indispensable devices in the modern era that we cannot imagine life without computers. However‚ there have been different ideas on the benefits of computers. In my opinion‚ computers do more good than harm because they can make life easier and also can help our work become more systematically and productively. Firstly‚ computers give many advantages as they can make life easier. As a student‚ many works must be done by using computer such as assignment and presentation
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last term’s work 2 Description of a computer and the monitor. 3 Features of a computer 4 Importance of a computer as a tool for processing data 5 The System Unit 6 The keyboard and its sections 7 Word Processing 8 Data Processing 9 Stages of Data Processing 10 Information Evolution 11 Revision 12 Examination JS 2 WKS TOPICS 1 ICT as a transformation tool 2 Benefits and disadvantages of ICT 3 ICT Gadgets 4 Computer Programming language 5 Computer Programming Language 6 BASIC Programming
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General Computer Questions [pic] General Computer Question 1: What is a computer? Answer: A common‚ somewhat simplified‚ definition is that the computer is an electronic device that can be used to process information. Today‚ computers are not only used for calculations‚ but also for creating and manipulating text and pictures. They are used to design bridges and spacecraft‚ to record a company’s sales and to keep track of customers‚ to create a school newspaper‚ or to estimate the cost
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coding/programming‚ data communications‚ data conversion‚ storage and retrieval‚ systems analysis and design‚ systems control) and associated equipment employed to collect‚ process‚ and present information. In broad terms‚ IT also includes office automation‚ multimedia‚ and telecommunications AREAS AND USES OF COMPUTER: * EDUCATION Computers are used in schools for teaching Computers are used for mathematical calculation Students can do their work by using computer * BANK Computers are used in
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