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The part of machine level instruction, which tells the central processor what has to be done, is

  • Operation code
  • Address
  • Locator
  • Flip-Flop

Answer: Option A

Similar Questions :

1. Shortest Job First executes first the job

  • with the least processor needs
  • that first entered the queue
  • that has been in the queue for the longest
  • that last entered the queue

Answer: Option A

2. Memory protection is normally done by

  • the processor and the associated hardware
  • the operating system
  • the compiler
  • the user program

Answer: Option A

3. 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

4. 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

5. For multiprogramming operating system

  • special support from processor is essential
  • special support from processor is not essential
  • cache memory is essential
  • none of above

Answer: Option B

Read more from - Operating System Questions Answers - Chapter 1