Operating System Roles and Characteristics
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Operating System Roles and Characteristics

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Questions and Answers

In which mode of operation does a program have complete access to all hardware resources?

  • Protected mode
  • Kernel mode (correct)
  • Privileged mode
  • User mode
  • What is the primary function of a Resource Manager in an Operating System?

  • To provide a virtual machine interface
  • To provide security services
  • To allocate and share hardware resources among programs (correct)
  • To manage memory allocation
  • What type of storage is volatile?

  • Persistent storage
  • Cache
  • Buffer
  • Volatile storage (correct)
  • What is the main purpose of an Operating System as a Service Provider?

    <p>To provide common functionality simplifying application development</p> Signup and view all the answers

    What is the primary function of an Operating System in terms of protecting software programs?

    <p>To protect software programs from interfering with each other</p> Signup and view all the answers

    What is the role of the Operating System in relation to hardware resources?

    <p>To allocate and share hardware resources among programs</p> Signup and view all the answers

    In which mode of operation are instructions controlling the machine and I/O forbidden?

    <p>User mode</p> Signup and view all the answers

    What is the primary function of an Operating System in terms of resource allocation?

    <p>To allocate scarce resources</p> Signup and view all the answers

    What is the term for a software program that runs on the hardware without any supporting software?

    <p>Kernel</p> Signup and view all the answers

    What is the primary function of an Operating System as an Extended (Virtual) Machine?

    <p>To provide an abstract interface for applications to interact with hardware resources</p> Signup and view all the answers

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