Operating Systems MCQ Set 8

1. Which of the following is not the function of Micro kernel?

A) File management

B) Low-level memory management

C) Inter-process communication

D) I/O interrupts management

2. Match the following.

i) Mutual exclusion                          a) A process may hold allocated resources while waiting assignment.

ii) Hold and wait                             b) No resource can be forcibly removed from a process holding it.

iii) No preemption                           c) Only one process may use a resource at a time.

A) i-a, ii-b, iii-c

B) i-a, ii-c, iii-b

C) i-b, ii-c, iii-a

D) i-c, ii-a, iii-b

3. A direct method of deadlock prevention is to prevent the occurrences of ...................

A) Mutual exclusion

B) Hold and wait

C) Circular waits

D) No preemption

4. The methods or algorithms which are used to increase the performance of disk storage sub-system is called .............

A) Disk performing

B) Disk scheduling

C) Disk storing

D) Disk extending

5. ................. is the time required to move the disk arm to the required track.

A) Seek time

B) Rotational delay

C) Latency time

D) Access time

6. .............. refers to a situation in which a process is ready to execute but is continuously denied access to a processor in deference to other processes.

A) Synchronization

B) Mutual Exclusion

C) Dead lock

D) Starvation

7. Which of the following is not the approach to dealing with deadlock?

A) Prevention

B) Avoidance

C) Detection

D) Deletion

8. Which of the following are the states of a five state process model?

i) Running            ii) Ready               iii) New                 iv) Exit                   v) Destroy

A) i, ii, iii and v only

B) i, ii, iv and v only

C) i, ii, iii, and iv only

D) All i, ii, iii, iv and v

9. State which statement is true for Suspended process?

i) The process is not immediately available for execution.

ii) The process may be removed from suspended state automatically without removal order.

A) i only

B) ii only

C) i and ii only

D) None

10. Following is/are the reasons for process suspension.

A) Swapping parent process

B) Inter request

C) Timing

D) All of the above

Answers

1.a

2.d

3.c

4.b

5.a

6.d

7.d

8.c

9.a

10.d