Central Processing Unit (CPU)
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Questions and Answers

What is the main function of a central processing unit (CPU)?

  • Display images on the monitor
  • Execute instructions of a computer program (correct)
  • Control the flow of electricity in a computer
  • Store data in main memory

    • Which component of a CPU is responsible for performing arithmetic and logic operations?

  • Integrated circuit (IC)
  • Arithmetic–logic unit (ALU) (correct)
  • Processor registers
  • Control unit

    • What is the purpose of processor registers in a CPU?

  • Control the entire CPU operation
  • Supply operands to the ALU and store ALU operation results (correct)
  • Improve CPU cooling system
  • Manage the flow of electricity within the CPU

    • What do modern CPUs devote a significant semiconductor area to improve performance?

    <p>Caches and instruction-level parallelism</p> Signup and view all the answers

    What are microprocessor chips with multiple CPUs on a single IC called?

    <p>Multi-core processors</p> Signup and view all the answers

    Which component within a CPU orchestrates fetching, decoding, and executing instructions?

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

    What is the role of specialized coprocessors like graphics processing units (GPUs) in relation to the CPU?

    <p>Perform specific tasks like graphics processing</p> Signup and view all the answers

    What term refers to the implementation of multiple CPUs on an integrated circuit (IC) chip?

    <p>Multi-core processors</p> Signup and view all the answers

    What aspect of modern CPUs supports operating systems and virtualization?

    <p>CPU modes</p> Signup and view all the answers

    What characteristic distinguishes a processor core from other components within a CPU?

    <p>It is an individual physical CPU capable of multithreading</p> Signup and view all the answers

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