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Which is single user operating system

  • MS-DOS
  • UNIX
  • XENIX
  • LINUX

Answer: Option A

Similar Questions :

1. 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

2. To avoid the race condition, the number of processes that may be simultaneously inside the critical section is

  • 12
  • 3
  • 1
  • 0

Answer: Option C

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

  • FCFS
  • SJF
  • Round robin
  • On priority

Answer: Option B

4. In real time OS, which is most suitable scheduling scheme

  • round robin
  • FCFS
  • pre-emptive scheduling
  • random scheduling

Answer: Option C

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

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

Answer: Option B

Read more from - Operating System Questions Answers - Chapter 1
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