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THE education site for computer science and ICT

This page is part of the old A451 specification - current syllabus here

1. Introduction

Computers today are all around us in one shape or another.

Whilst you are reading this page - how many computers are you aware of in the room? Maybe you are in a classroom right now and and you are near to a:

  • Mobile phone
  • Calculator
  • Watch
  • Interactive white board
  • Projector
  • Printer
  • Desktop computer
  • Laptop

And more probably. The point is, that computers come in all shapes and sizes and are often built into other devices. But they share some common features.

This mini-web will introduce you to a computer system.