Expansion of Computer

  • The computer has its origin from the root word "to compute"
  • Commonly Operated Machine Particularly Used in Technical and Educational Research has the abbreviation computer

What is a Computer?

  • Electronic Machine
  • Receives information (data)
  • Performs sequence of operations  (using instruction)
  • Produces result (info/ signal)
  • Hardware + Software
  • High Speed  & Accurate
  • Micro computer- microprocessor used as CPU
Why computers are widely used?
  • Simpler to learn & trouble shoot
  • Reduced complexity
  • Invisible circuits inside microprocessor & support chips
  • Low price
  • Small size
  • Easy installation
  • Simple maintenance
  • Increased application  à career opportunities