System Bus Overview
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Questions and Answers

What is the function of the Address register (AR)?

  • Holds data for arithmetic operations
  • Stores temporary data during execution
  • Stores data to be sent to an output device
  • Holds the address of memory locations (correct)

    • Which register is primarily responsible for storing temporary data during instruction execution?

  • Input register (INPR)
  • Accumulator (AC)
  • Output register (OUTR)
  • Temporary register (TR) (correct)

    • What is the purpose of the Program counter (PC) in a CPU?

  • Stores data for output devices
  • Holds the next instruction's address (correct)
  • Used to hold temporary operands
  • Stores the results of arithmetic operations

    • Which register is the main data register in many CPUs?

    <p>Accumulator (AC)</p> Signup and view all the answers

    During which CPU operation are registers involved in holding operands and temporary results?

    <p>Arithmetic and logical operations</p> Signup and view all the answers

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