Von-Neumann Model and CPU Components Quiz
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Questions and Answers

What is the function of the Memory Address Register (MAR)?

  • Indicates conditions in operations (e.g. negative, overflow, etc.)
  • Stores address in memory currently used (correct)
  • Stores current instruction to be carried by the computer
  • Stores data just read, or just about to write, to memory

    • What is the role of the Accumulator in the CPU?

  • Carries out arithmetic and logical operations (correct)
  • Stores address in memory currently used
  • Stores current instruction to be carried by the computer
  • Indicates conditions in operations (e.g. negative, overflow, etc.)

    • Which component ensures instructions and data are synchronized?

  • Control Unit (correct)
  • Immediate Access Store (IAS)
  • System Clock
  • Arithmetic Logic Unit (ALU)

    • What is the function of the Program Counter (PC)?

    <p>Stores address of the next instruction</p> Signup and view all the answers

    What does the Status Register (SR) indicate in CPU operations?

    <p>Negative Flag: 1 when result is negative</p> Signup and view all the answers

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