Operating systems concept MCQ Test 39

By | October 3, 2017

UGC-NET/GATE Multiple Choice Questions for Operating System.

Question 1
The field separator in cut command is specified with
A
-a option
B
-d option
C
-r option
D
-x option
Question 2
Consider the following page reference string : 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 For LRU page replacement algorithm with 4 frames, the number of page faults is :
A
10
B
14
C
8
D
11
Question 3
Write ahead logging is a way :
A
to ensure atomicity
B
to keep data consistent
C
that records data on stable storage
D
all of the mentioned
Question 4
The dining philosophers problem can be seen as representative of
A
Users
B
Problems
C
Process
D
Application
Question 5
Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy
A
to be fair
B
to balance resource utilization
C
to obey priorities
D
to be predictable
There are 5 questions to complete.

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