operating system set 5 Detailed Explanation And More Example

Question : 1

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 : 2

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 : 3

The C-SCAN, in disk scheduling states

a) The arm movement is uni directional

b) The arm movement is bidirectional

c) The are is to be state fixed

d) None of these.

Question : 4

Following illustrates Associative Memory

a) The address of the data is supplied by the user

b) Same as the tracks associated with disk memory

c) No need for address; information is used as address

d) Data is accessed serially

Question : 5

Moving process from main memory to disk is called

a) Scheduling

b) Cache

c) Swapping

d) Spooling

Question : 6

Which structure prohibits the sharing of files and directories

a) tree structure

b) one level structure

c) two level structure

d) none of these