Basic Operating System MCQ

Basic Operating System MCQ
501. Followin is/are operating system used in computers
  • MS-DOS
  • OS/2
  • UNIX
  • All of the above
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502. The following operating system writes through catches ?
  • UNIX
  • DOS
  • ULTRIX
  • XENIX
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503. Whih is/are the most important features of microsoft windows program ?
  • Windows
  • Pull-down menus
  • Icons
  • All of the above
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504. Multiprocessing models have
  • symmetric multiprocessing model
  • asymmetric multiprocessing model
  • both (A) and (B) above
  • None of these
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505. Real-time systems are
  • primarily used on mainframe computers
  • used for monitoring events as they occur
  • used for program development
  • used for real-time interactive users.
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506. Multiprogramming systems
  • are easier to develop than single programming systems
  • Execute each job faster
  • execute more jobs in the same time period
  • are used only one large mainframe computers
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507. Virtual memory is
  • simple to implement
  • used on all major commercial operating systems
  • less efficient in utilization of memory
  • useful when fast I/O devices are not available
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508. Memory management is
  • not used in modern operating systems
  • replaced with virtual memory on current systems
  • not used on multiprogramming systems
  • critical for even thesimplest operating systems
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509. Scheduling is
  • allowing job to use the processor
  • making proper use of processor
  • Both A and B
  • None of these
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510. Followingg is true for multiprocessing
  • it makes the operating system simpler
  • it allows multiple processes to run simultaneously
  • it allows the same computer to have multiple processors
  • Noneof these
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