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Which operating system use write through catches

  • UNIX
  • XENIX
  • ULTRIX
  • DOS

Answer: Option D

Similar Questions :

1. 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

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

  • CPU
  • ALU
  • CU
  • Processor

Answer: Option D

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

  • Partitioning
  • Multitasking
  • Windowing
  • Paging

Answer: Option C

5. 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

Read more from - Operating System Questions Answers - Chapter 1