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Which operating system use write through catches

  • UNIX
  • XENIX
  • ULTRIX
  • DOS

Answer: Option D

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. Problem of thrashing is affected significantly by

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

Answer: Option A

3. A high paging rate

  • may cause a high I/O rate
  • keeps the system running well
  • is a symptom of too much processor activity
  • always creates a slow system

Answer: Option A

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

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

Answer: Option C

5. Semophores are used to solve the problem of

  • race condition
  • process synchronization
  • mutual exclusion
  • belady problem

Answer: Option C

Read more from - Operating System Questions Answers - Chapter 1
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