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PC system

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  • What performs mathematical calculations and logical operations (AND, OR, NOT)?
    The arithmetic logic unit
  • What is bus width?
    The size of a bus
  • What is the main circuit board called?
    Motherboard
  • What is an electrical channel which carries signals between units inside the computer called?
    A bus
  • What does CPU stand for?
    Central Processing Unit
  • What does BIOS stand for?
    Basic input/output system
  • What does ROM stand for?
    Read only memory
  • What is the integrated circuit?
    A small microchip that contains a large number of electrical connections
  • What does ALU stand for?
    The arithmetic logic unit
  • What does BIOS use to control communication with peripherals?
    ROM
  • What is an expansion card?
    It is a printed circuit board that can be inserted into an expansion slot to add features like sound, memory and network capabilities
  • What memory is non-volatile, containing instructions and routines for the basic operations of the CPU?
    ROM
  • What are expansion slots?
    The connectors that allow the user to install expansion cards to improve the computer's performance
  • What does RAM stand for?
    Random Access Memory
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