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

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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

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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

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