CPSC 457 Operating System Concepts Quiz
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CPSC 457 Operating System Concepts Quiz

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@IdyllicCoconutTree

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Questions and Answers

What is the purpose of an operating system?

  • To perform mathematical calculations
  • To maintain data storage devices
  • To manage only the CPU
  • To provide an interface between the user and the hardware (correct)

    • Which component of the computer stores frequently accessed data to improve performance?

  • Kernel
  • Memoization (correct)
  • Direct Memory Access (DMA)
  • CPU

    • What is the main function of interrupts in computer systems?

  • To allocate resources to processes
  • To execute input/output operations (correct)
  • To handle errors during program execution
  • To manage process scheduling

    • What is the purpose of a Process Control Block (PCB) in an operating system?

    <p>To manage process states and scheduling information</p> Signup and view all the answers

    Which term refers to the proportion of time the CPU is busy executing a process?

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

    What is the primary reason for using threads in concurrent programming?

    <p>To enable parallelism and improve performance</p> Signup and view all the answers

    What term is used to describe a section of code that must not be executed by more than one thread at a time?

    <p>Critical Sections</p> Signup and view all the answers

    What term describes a situation where multiple threads try to access shared resources and the outcome depends on the timing of their execution?

    <p>Race Conditions</p> Signup and view all the answers

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