Operating Systems MCQs Set-5

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  1. 1. Operating System maintains the page table for
    • each process
    • each thread
    • each instruction
    • each address
  2. 2. Because of virtual memory, the memory can be shared among
    • processes
    • threads
    • instructions
    • none of the mentioned
  3. 3. _____ is the concept in which a process is copied into main memory from the secondary memory according to the requirement.
    • Paging
    • Demand paging
    • Segmentation
    • Swapping
  4. 4. The pager concerns with the
    • individual page of a process
    • entire process
    • entire thread
    • first page of a process
  5. 5. Swap space exists in
    • primary memory
    • secondary memory
    • CPU
    • none of the mentioned
  6. 6. A memory buffer used to accommodate a speed differential is called
    • stack pointer
    • cache
    • accumulator
    • disk buffer
  7. 7. Which one of the following is the address generated by CPU?
    • physical address
    • absolute address
    • logical address
    • none of the mentioned
  8. 8. Run time mapping from virtual to physical address is done by
    • memory management unit
    • CPU
    • PCI
    • none of the mentioned
  9. 9. Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called
    • fragmentation
    • paging
    • mapping
    • none of the mentioned
  10. 10. Program always deals with
    • logical address
    • absolute address
    • physical address
    • relative address

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