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Which operating system use write through catches

  • UNIX
  • XENIX
  • ULTRIX
  • DOS

Answer: Option D

Similar Questions :

1. In which scheduling policies, context switching never takes place

  • FCFS
  • round robin
  • Shortest job first
  • Pre-empitive

Answer: Option A

2. 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

3. Size of virtual memory depends on

  • size of data bus
  • size of address bus
  • size of main memory
  • none of above

Answer: Option B

4. Main function of shared memory is:

  • to use primary memory efficently
  • to do intra process communication
  • to do inter process communication
  • none of above

Answer: Option C

5. A thread is

  • lightweight process where the context switching is low
  • lightweight process where the context swithching is high
  • used to speed up paging
  • used in dead locks

Answer: Option A

Read more from - Operating System Questions Answers - Chapter 1