Operating systems concept MCQ Test 21

By | October 3, 2017

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

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Question 1
Which one of the following is the characteristic of a multimedia system?
A
high storage
B
high data rates
C
both A and B
D
none of the above
Question 2
A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as
A
multi threading
B
broadcasting
C
time sharing
D
None of the above
Question 3
What are examples of state information ?
  1. opened files and their clients
  2. file descriptors and file handles
  3. current file position pointers
  4. current list of total users
A
I and III
B
II and III
C
II, III and IV
D
I,II and III
Question 4
Program always deals with
A
logical address
B
absolute address
C
physical address
D
relative address
Question 5
A set of processes is deadlock if
A
each process is blocked and will remain so forever
B
each process is terminated
C
all processes are trying to kill each other
D
none of the above
Question 6
Which design features of a communication network are important ?
  1. Naming and name resolution
  2. Routing strategies
  3. Connection strategies
  4. Minimum number of devices
A
I and III
B
II and III
C
II, III and IV
D
I,II and III
Question 7
In priority scheduling algorithm
A
CPU is allocated to the process with highest priority
B
CPU is allocated to the process with lowest priority
C
equal priority processes can not be scheduled
D
none of the above
Question 8
The following program consists of 3 concurrent processes and 3 binary semaphores. The semaphores are initialized as S0 = 1, S1 = 0, S2 = 0. Process P0 while(true) { wait(S0); print 0 ; release(S1); release(S2); } Process P1 wait(S1); release(S0); Process P2 wait(S2); release(S0); How many times will P0 print 0 ?
A
At least twice
B
Exactly twice
C
Exactly thrice
D
Exactly once
Question 9
The full form of MPEG is :
A
Motion Pictures Engineering Group
B
Motion Picture Engineers Group
C
Motion Picture Experts Group
D
none of the above
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