CPU Scheduling Questions

MCQ bookmark_border

51.

The problem of priority inversion can be solved by ____________

A

priority inheritance protocol

B

priority inversion protocol

C

both priority inheritance and inversion protocol

D

none of the mentioned

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

52.

Time duration required for scheduling dispatcher to stop one process and start another is known as ____________

A

process latency

B

dispatch latency

C

execution latency

D

interrupt latency

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

53.

Time required to synchronous switch from the context of one thread to the context of another thread is called?

A

threads fly-back time

B

jitter

C

context switch time

D

none of the mentioned

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

54.

Preemptive, priority based scheduling guarantees ____________

A

hard real time functionality

B

soft real time functionality

C

protection of memory

D

none of the mentioned

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

55.

Real time systems must have ____________

A

preemptive kernels

B

non preemptive kernels

C

preemptive kernels or non preemptive kernels

D

neither preemptive nor non preemptive kernels

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

56.

What is Event latency?

A

the amount of time an event takes to occur from when the system started

B

the amount of time from the event occurrence till the system stops

C

the amount of time from event occurrence till the event crashes

D

the amount of time that elapses from when an event occurs to when it is serviced.

Correct Answer: D

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

57.

The amount of time required for the scheduling dispatcher to stop one process and start another is known as ______________

A

event latency

B

interrupt latency

C

dispatch latency

D

context switch

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

58.

The most effective technique to keep dispatch latency low is to ____________

A

provide non preemptive kernels

B

provide preemptive kernels

C

make it user programmed

D

run less number of processes at a time

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

59.

Priority inversion is solved by use of _____________

A

priority inheritance protocol

B

two phase lock protocol

C

time protocol

D

all of the mentioned

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

60.

Earliest deadline first algorithm assigns priorities according to ____________

A

periods

B

deadlines

C

burst times

D

none of the mentioned

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion