Saturday, November 19, 2011

Introduction to computer system

Computer definition

A computer is an electronic device that executes the instructions in a program


Computer system block diagram & buses




Microprocessor computer architecture





Basic elements of a computer


1) Input devices

  • mouse
  • keyboard
  • joystick
  • scanner

2) Output devices

  • printer
  • speaker
  • plotter


Type of computer

  • Microcomputer
  • Minicomputer
  • Server
  • Mainframes


Differences between microcontroller and microprocessor




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