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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. Which one is true

  • The linkage editor is used to edit programs which have to later link together
  • The linkage editor links object module during compiling
  • The linkage editor links objects modules and resolves external references between them before loading
  • none of above

Answer: Option C

2. The LRU algorithm

  • pages out pages that have been used recently
  • pages out pages that have not been used recently
  • pages out pages that have been least used recently
  • pages out the first page in a given area

Answer: Option C

3. Problem of thrashing is affected significantly by

  • program structure
  • program size
  • primary storage size
  • all of above

Answer: Option A

4. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and

  • mutual exclusion
  • race condition
  • buffer overflow
  • None of above

Answer: Option A

5. A series of statements explaining how the data is to be processed is called

  • instruction
  • compiler
  • program
  • interpretor

Answer: Option C

Read more from - Operating System Questions Answers - Chapter 1