www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Computer Science
Computer Science Set-1
Operating System
65

Operating System MCQ with Answers

65) In a time-sharing operating system, when the time slot given to a process is completed, the process goes from the RUNNING state to the

BLOCKED state

READY state

SUSPENDED state

TERMINATED state

Answer is:

READY state

Operating System MCQ with Answers

For more MCQ's Click Here

Related Operating System MCQ with Answers

66) Mutual exclusion problem occurs between

two disjoint processes that do not interact

processes that share resources

processes that do not use the same resource

none of these

Answer is:

processes that share resources

67) A file server uses a form of locking as a concurrency control technique. When a file is locked by a client, all attempts to use or lock the file by other clients are prevented by the server. A potential problem exists if a client requests a lock on a file and then crashes. This situation could result in the file being locked indefinitely. To prevent this from occurring, the file server starts a time whenever it sets a lock. If the timer runs out before the file is unlocked the server assumes that the client

It provides a solution to the problem of preventing indefinite lockout.

It may result in interleaved access to a file by two or more clients.

It will guarantee mutual exclusion.

It will fail to guarantee the prevention of indefinite lockout

Answer is:

It provides a solution to the problem of preventing indefinite lockout.

68) At a particular time, the value of a counting semaphore is 10. It will become 7 after

3 V operations

3 P operations

5 V operations and 2 P operations

None of these

Answer is:

3 P operations

69) At a particular time of computation, the value of a counting semaphore is 7. Then 20 P operations and 'x' V operations were completed on this semaphore. If the final value of the semaphore is 5, x will be

22

18

15

13

Answer is:

18

Operating System MCQ with Answers

For more MCQ's Click Here