Control Unit (CU) in Computer Architecture Quiz
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Questions and Answers

What component of the CPU directs the operation of the processor?

  • Control unit (correct)
  • Memory unit
  • Arithmetic logic unit
  • Input/output unit
  • What does the control unit use to direct the operation of other units in the CPU?

  • Multiplexer
  • Flip-flop
  • ALU
  • Binary decoder (correct)
  • In modern computer designs, where is the control unit typically located?

  • Within the input/output devices
  • External to the CPU
  • Internal part of the CPU (correct)
  • Within the memory unit
  • Which computer architecture included the control unit as a part of its design?

    <p>Von Neumann architecture</p> Signup and view all the answers

    In what type of computers are multicycle microarchitectures still popular?

    <p>Embedded systems</p> Signup and view all the answers

    What is virtual memory in computing?

    <p>A memory management technique providing an idealized abstraction of storage resources</p> Signup and view all the answers

    What is used to map memory addresses from virtual to physical in virtual memory?

    <p>Memory management unit (MMU)</p> Signup and view all the answers

    How does virtual memory make main storage appear to a process or task?

    <p>As a contiguous address space or collection of contiguous segments</p> Signup and view all the answers

    What does the operating system manage in relation to virtual memory?

    <p>Virtual address spaces and the assignment of real memory</p> Signup and view all the answers

    What can the operating system utilize to extend virtual memory capabilities?

    <p>Disk storage</p> Signup and view all the answers

    Study Notes

    Control Unit

    • The control unit is the component of the CPU that directs the operation of the processor.
    • It uses control signals to direct the operation of other units in the CPU.
    • In modern computer designs, the control unit is typically located in the microprocessor.

    Computer Architecture

    • The von Neumann computer architecture included the control unit as a part of its design.

    Microarchitectures

    • Multicycle microarchitectures are still popular in embedded systems.

    Virtual Memory

    • Virtual memory is a memory management technique in computing that allows a computer to use more memory than is physically available.
    • It uses a memory management unit (MMU) to map memory addresses from virtual to physical.
    • Virtual memory makes main storage appear to a process or task as a larger contiguous block of memory than is actually available.
    • The operating system manages virtual memory by allocating and deallocating memory spaces as needed.
    • The operating system can utilize hard disk storage to extend virtual memory capabilities.

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    Description

    Test your knowledge of computer architecture with this quiz on the control unit (CU). Learn about its role in directing the operation of the processor and managing computer resources. Explore how the CU uses binary decoding to convert instructions into control signals for memory, arithmetic logic unit, and input/output devices.

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