Types of Computer

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  • Created by: Olivia
  • Created on: 24-03-14 12:00

Mainframes are the biggest

  • Mainframes are powerful- they can perform hundreds of millions of instructions per second.
  • They're very large, and generate a lot of heat- so they need big air conditioned rooms
  • They're very expensive- typically costing around 3-4 million
  • They are used to run large computer systems and networks in banks, insurance companies and e-commerce firms on the Internet

Minicomputers are in the middle

  • Minicomputers are less powerful than mainframes but are more powerful than micros.
  • As a result they cost less than mainframes, but still require a special operating environment.
  • They are typically used to run medium sized systems in small businesses.

Microcomputers are the most common

  • Microcomputers were used to stand alone, but…


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