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Computer Hardware

Major components of a PC

  • Motherboard
    • Central Processing Unit
    • Memory
    • Graphic / display controller
    • Network / Wi-Fi controllers
    • Audio Interface (Sound card)
    • Universal Serial Bus (USB) controller
  • Input / Output sub system enables interaction with the users
    • Display Monitor (VDU)
    • Keyboard
    • Mouse
    • Scanner
    • Printer
    • Microphone / Speakers
    • Joystick / Game controller
  • Secondary storage devices
  • Chassis the platform that holds all other components
    • Power supply unit
    • Fan / cooling system

Traditional computer system

Can be classified into 2 types.

Single-user computer system

Can only be used by one user at a time.

Modern computer system

Motherboard

Large circuit board where all (or majority of the) components of the PC are mounted. Aka. main board.