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Introduction

  • B. S. Chalk
  • A. T. Carter
  • R. W. Hind
Part of the Grassroots book series (GRASS)

Abstract

Not all that many years ago, the only places where one would be able to see a computer would have been the central offices of large organisations. The computer, costing at least £500000, would have been housed in a large, temperature controlled room. The computer would have been run by a team of people, called operators, working on a shift system which provided 24-hour operation. Users of the computer would have a terminal, consisting of a TV screen and a keyboard, on their desk and they would use the facilities of the computer by means of on-screen forms and menus. These computers were called main frame computers and in fact there are still many of these in operation today. Today, almost every home has a computer either in the form of a Personal Computer (PC) or games console and the cost is well under £1000.

Keywords

Random Access Memory Machine Instruction Peripheral Device Graphic Game Processor Unit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© B.S. Chalk, A.T. Carter and R.W. Hind 2004

Authors and Affiliations

  • B. S. Chalk
  • A. T. Carter
  • R. W. Hind

There are no affiliations available

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