operating system set 5 Detailed Explanation And More Example

Question : 1

Fragmentation of the file system

a) occurs only if the file system is used improperly

b) can always be prevented

c) can be temporarily removed by compaction

d) is the characteristic of all files system

Question : 2

Thread is

a) Dispatch able unit of work

b) Can be interrupted

c) A and B both true

d) A and B both false.

Question : 3

CD defines

a) Computer device

b) Computer disk

c) Compact disk

d) None of these

Question : 4

In uni-processor scheduling, shortest remaining time policy is

a) A policy where scheduler chooses the process that has the shortest expected remaining processing time.

b) A policy where scheduler discards the process that has the shortest expected remaining process time.

c) A policy where process with shortest expected processing time is selected next.

d) None of these.

Question : 5

The time table of railway, and airline which defines arrival and departure can be considered as

a) Hard real time scheduling

b) Soft real time scheduling

c) None real time scheduling.

d) None of these.

Question : 6

If normalized turnaround time of different process are given. Then Highest response ratio next policy in uni processor scheduling policy selects

a) The ready process with lowest normalized turnaround time.

b) The ready process with highest normalized turnaround time.

c) The process with shortest expected processing time.

d) The process with highest expected processing time.