Computer Architecture and Control Unit Operations Quiz
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Questions and Answers

Which component holds the address of the next instruction to be fetched?

  • Main memory
  • Program Counter (PC) (correct)
  • ALU registers
  • Instruction Register (IR)
  • What type of instruction facilitates repetitive operations by changing the sequence of execution?

  • Instruction classification
  • Conditional branch
  • Unconditional branch (correct)
  • Address modify
  • What cycle involves data processing, alteration of sequence of operations, and a combination of different types of operations?

  • Execute Cycle (correct)
  • Fetch Cycle
  • Interrupt Cycle
  • Instruction Cycle Diagram
  • Which operation permits addresses to be computed in the ALU and then inserted into instructions stored in memory?

    <p>Address modify</p> Signup and view all the answers

    What is the purpose of an interrupt in a processor?

    <p>To suspend execution of the current program and process the interrupt</p> Signup and view all the answers

    Which type of interrupt is generated by an internal processor timer and used in pre-emptive multi-tasking?

    <p>Timer interrupt</p> Signup and view all the answers

    In which part of a typical microprocessor is cache memory usually found?

    <p>Memory unit</p> Signup and view all the answers

    What does a microcontroller resemble in terms of a computing device?

    <p>A microcomputer</p> Signup and view all the answers

    How do microcontrollers differ from microprocessors in terms of circuit complexity?

    <p>Microprocessors have more complex circuits due to external connections</p> Signup and view all the answers

    What is the main function of a microcontroller?

    <p>To process data and act as a controlling device in embedded systems</p> Signup and view all the answers

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