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Computer System

Computers type can be divided into three main types

  • Microcomputers
  • Minicomputers
  • Mainframe computers

Microcomputers are mainly used in homes, school and business. Tower type microcomputers are mostly used in many Schools. It consists of :

Monitor / Screen
System Unit or CPU
Keyboard and Mouse

Three main types of microcomputers are :

Notebook (Portable microcomputer)
Desktop

Tower

Minicomputer - IBM AS/400
Minicomputer is a small computers, which are not microcomputers, are usually called minicomputers. It now replaces the mainframe computer which is very expensive.

Mainframe Computer is used in large companies for data processing and complex mathematical calculations.

 

Microcomputer - Tower