Operating systems concept MCQ Test 2

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

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Question 1
Which of the following is true for machine language.
A
Depicting flow of data in a system
B
A sequence of instructions which, when followed properly, solves a problem
C
the language which communicates with the computer using only the binary digits 1 and 0.
D
None of the above
Question 2
Banker's algorithm for resource allocation deals with
A
deadlock avoidance
B
deadlock recovery
C
mutual exclusion
D
None of the above
Question 3
In an absolute loading scheme, which loader function is accomplished by loader
A
Allocation
B
Linking
C
Loading
D
None of the above
Question 4
The technique, for sharing the time of a computer among several jobs. Which switches jobs so rapidly such that each job appears to have the computer to itself:
A
time sharing
B
time domain
C
FIFO
D
None of the above
Question 5
The ........ keeps state information about the use of I/O components.
A
CPU
B
OS
C
kernel
D
shell
Question 6
Paging increases the ...... time.
A
waiting
B
execution
C
context switch
D
all of the above
Question 7
Window NT
A
security model is based on the notion of user accounts
B
creates a security access token that includes the security ID for users
C
NT operates with client server model
D
all of these
Question 8
Time taken in memory access through PTBR is :
A
extended by a factor of 3
B
extended by a factor of 2
C
slowed by a factor of 3
D
slowed by a factor of 2
Question 9
Antilock brake systems, flight management systems, pacemakers are examples of :
A
safety critical system
B
hard real time system
C
soft real time system
D
A and B
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