Operating Systems Concepts MCQs with answers

1. The following, is not the, function, of “Micro kernel”?

(A) Inter-process, communication.

(B) 1/O interrupts, management.

(C) File, management

(D) Low-level ,memory management.

2. Windows / Operating, System, is the, type of: ________________________?

(A) System Software

(B) Application Software

(C) Both A & B

(D) None of above

3. A “direct method” of deadlock, prevention is to, prevent the, occurrences, of: ___________-?

A) Circular waits

B) No preemption

C) Mutual exclusion

D) Hold and wait

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

A) Disk storing

B) Disk extending

C) Disk performing

D) Disk scheduling

5.______________________is the exact, time required to, move the disk, arm to the required, track.

A) Latency time

B) Access time

(C) Seek time

(D) Rotational delay

6. The _______________________ policy, restricts scanning, to one direction, only.

(A) N-Step SCAN

(B) SCAN

(C) C-SCAN

(D) Both B and C

7. Policy selects, the disk I/O, of the ‘disk arm’ from its, current position.

A) SCAN

B) C-SCAAN

C) FSCAN

D) SSTF

8. ”Operating system” to support, multiple threads, of execution with, a single process, called:

(A) Multi executing

(B) Bi-threading

(C) Multi threading

(D) Multiprocessing

9. State where the, following statement, request that, requires, the least movement, refers to the ability, of an is, true.

i) It takes less time to terminate a thread than a process.

ii) Threads enhance efficiency in communication between different executing programs.

A) i-False, ii-True

B) i-False, ii-False

C)-True, ii-False

D)- i True, ii-True

10. __________________ is a special, type of “programming language” used to, provide instructions to, the monitor, simple “batch processing schema”.

A) Batch control language (BCL)

B) Monitor control language (MCL

C) Job control language (JCL)

D) Processing control language (PCL)