Operating systems concept MCQ Test 12

By | October 3, 2017

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

Question 1
Running multiple programs at the same time is called:
A
Multitasking
B
Foreground tasking
C
Single tasking
D
Symmetric
Question 2
File operation used to access attributes of a file is known to be
A
get attribute
B
set attribute
C
define attribute
D
declare attribute
Question 3
Which of the following statements is true for the dirty page in a page table?
A
Helps to maintain LRU information
B
Allows only read on a page
C
Helps to avoid unnecessary writes on paging device
D
None of the above
Question 4
Consider a disk pack with 16 surfaces, 128 tracks per surface and 256 sectors per track. 512 bytes of data are stored in a bit serial manner in a sector. The capacity of the disk pack and the number of bits required to specify a particular sector in the disk are respectively:
A
256 Mbyte, 19 bits
B
256 Mbyte, 28 bits
C
512 Mbyte, 20 bits
D
64 Gbyte, 28 bit
Question 5
Saving the state of the old process and loading the saved state of the new process is called .....
A
Context Switch
B
State
C
Multi programming
D
None of the above
There are 5 questions to complete.
Please report wrong answer

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