Operating Systems MCQ Set 3

1. Round robin scheduling is essentially the preemptive version of ...........

A) first in first out
B) shortest job first
C) shortest remaining
D) longest time first



2. The process that are residing in the main memory and are waiting to execute are kept on a list called the ............

A) job queue
B) ready queue
C) wait queue
D) device queue



3. Which of the following describes the ability of an OS to support multiple, concurrent paths of execution within a single process?

A) Multithreading
B) Multiprocessing
C) Multitasking
D) Multiprogramming



4. Virtual memory is

A) an extremely large main memory
B) an extremely large secondary memory
C) an illusion of extremely large main memory
D) a type of memory used in super computers



5. A thread is a .................... precess.

A) heavy weight
B) multiprocess
C) inter thread
D) light weight

6. SSTF stands for ........................

A) Small seek Time First
B) Simple Seek Time First
C) Shortest Seek Time First
D) Synchronous Seek Time First



7. The program is known as .................. which interacts with the inner part of called kernel.

A) compiler
B) device driver
C) protocol
D) shell



8. Semaphore can be used for solving ............

A) wait & signal
B) deadlock
C) synchronization
D) priority



9. The number of processes completed per unit time is known as ............

A) output
B) throughput
C) efficiency
D) capacity



10. On what principle does Distributed OS work?

A) File foundation
B) Single system image
C) Multi system image
D) Networking image

Answers

1.a

2.b

3.a

4.c

5.d

6.c

7.d

8.c

9.b

10.b