• Semantic gap b/n desired behavior & working of electronic devices
  • Attempt to assemble raw devices into separate machine (for desired behavior)
General Purpose Computer bridges gap between
  •   Desired behavior (application)
  •   Basic building blocks (electronic devices)

What is PC?

  • Personal Computer
  • It is an Electronic Machine
  • It performs high  Speed calculation

What is a hardware?

  • Physical parts or components
  • Tangible – physical objects that can be touched

What is troubleshooting?

  • Process of identifying & fixing problems
  • The basic process of troubleshooting is to
    •  Check the most general possible problems first
    • Then gradually check for more specific problems.