Operating systems concept MCQ Test 3

By | October 3, 2017

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

Question 1
The term " Operating System " means .....
A
A set of programs which controls computer working
B
The way a computer operator works
C
Conversion of high-level language in to machine level language
D
The way a floppy disk drive operates
Question 2
Only filenames and extensions are to be displayed in wide format, which command you'll use?
A
Dir/w
B
Dir a:
C
Dir/s
D
Dir/b
Question 2 Explanation: 
Dir/w only displays the file names and extensions excluding file created date/time, file size. Second option dir a: will list the contents of A drive (floppy drive), third dir/s lists current directory and its sub-directories too, dir/b displays bare format, that means, it just makes a list of files, no more information.
Question 3
Page making process from main memory to disk is called
A
Interruption
B
Termination
C
Swapping
D
None of the above
Question 4
A memory management system has 64 pages with 512 bytes page size. Physical memory consists of 32 page frames. Number of bits required in logical and physical address are respectively:
A
14 and 15
B
14 and 29
C
15 and 14
D
16 and 32
Question 5
What problem is solved by Dijkstra's banker's algorithm?
A
mutual exclusion
B
deadlock recovery
C
deadlock avoidance
D
cache coherence
There are 5 questions to complete.
Please report wrong answer

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