operating system set 2 Detailed Explanation And More Example

Question : 1

Following is the correct definition of a valid process transition within an operating system

a) wake up : ready -> running

b) dispatch: ready -> running

c) block: ready -> blocked

d) timer run out : ready -> blocked

Question : 2

Following is/are operating system used in computers

a) MS-DOS

b) OS/2

c) UNIX

d) All of the above

Question : 3

The operating system control tables maintains file table, because

a) These tables manage I/O devices and channels of the computer system.

b) These tables provide information about the existence of files, their location on secondary memory and their current status.

c) These tables provide information to manage process.

d) None of these.

Question : 4

In magnetic disk, density that is in bits per linear inch

a) Increases in moving from the outer most track to the inner most track.

b) Decreases in moving from the outer most track to the inner most track.

c) Remains same in moving from the outer most track to the inner most track.

d) Randomly distributed in moving from the outer most track to the inner most track.

Question : 5

With trap in process control

a) Operating system determines the error or exception condition that is fatal.

b) Operating system interrupted for maximum allowable time.

c) Are tables that manage information process

d) None of these.

Question : 6

In semaphore when the order of processes that are waiting to be removed from the queue is first in first out (FIFO) then it is called

a) Weak semaphore

b) Strong semaphore

c) Binary semaphore

d) None of these.