Operating Systems Concepts – Section 3

46. Feed back queue

A. are very easy to implement
B. dispatch tasks according to execution characteristics
C. are used to favor real-time tasks
D. require manual intervention to implement properly
E. None of the above

Correct Answer: B. dispatch tasks according to execution characteristics

47. In which addressing mode the operand is given explicitly in the instruction?

A. absolute mode
B. immediate mode
C. indirect mode
D. index mode
E. None of the above

Correct Answer: B. immediate mode

48. The technique, for sharing the time of a computer among several jobs. Which switches jobs so rapidly such that each job appears to have the computer to itself:

A. time sharing
B. time out
C. time domain
D. FIFO
E. None of the above

Correct Answer: A. time sharing

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