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Which technique is used by operating systems to execute several programs concurrently by switching back and forth

  • Partitioning
  • Multitasking
  • Windowing
  • Paging

Answer: Option C

Similar Questions :

1. Belady anamoly occurs in

  • Optimal replacement
  • FIFO
  • LRU
  • both in FIFO and LRU

Answer: Option B

2. Disk scheduling includes deciding

  • which should be accessed next
  • order in which disk access requests must be serviced
  • the physical location of the file
  • the logical location of the file

Answer: Option B

3. Dynamic allocation of storage areas with VSAM files is accomplished by

  • hashing
  • control splits
  • over flow areas
  • relative recording

Answer: Option B

4. A hardware device which is capable of executing a sequence of instructions, is known as

  • CPU
  • ALU
  • CU
  • Processor

Answer: Option D

5. Which among following scheduling algorithms give minimum average waiting time

  • FCFS
  • SJF
  • Round robin
  • On priority

Answer: Option B

Read more from - Operating System Questions Answers - Chapter 1
Post a comment

  • praveen 8 years ago

    Which technique is used by operating systems to execute several programs concurrently by switching back and forth
    Partitioning
    Multitasking
    Windowing
    Paging

    Answer is B

  • hema 10 years ago

    answer is B

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