Operating systems concept MCQ Test 24

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

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Question 1
What are characteristic of NFS protocol ?
  1. Search for file withing directory
  2. Read a set of directory entries
  3. Manipulate links and directories
  4. Cannot read/write file attributes
A
I and III
B
II and III
C
II, III and IV
D
I,II and III
Question 2
A linker
A
creates a load module
B
must be run after the loader
C
is not needed with a good compiler
D
None of the above
Question 3
Each entry in a Translation look-aside buffer (TLB) consists of :
  1. key
  2. value
  3. bit value
  4. constant
A
I and III
B
II and III
C
II, III and IV
D
I and II
Question 4
In UNI,X even an empty disk has a percentage of its space lost to .......
A
programs
B
inodes
C
virtual memory
D
stacks
Question 5
The wait operation of the semaphore basically works on the basic ....... system call.
A
stop()
B
block()
C
hold()
D
wait()
Question 6
With either equal or proportional algorithm, a high priority process is treated ........... a low priority process.
A
greater than
B
same as
C
lesser than
D
none of the above
Question 7
HTTP is ...........
  1. a stateful protocol
  2. a stateless protocol
  3. a protocol that maintains the status of its connection with the client
  4. a protocol that does not maintain the status of its connection with the client
A
I and III
B
II and III
C
II, III and IV
D
II and IV
Question 8
The state transition initiated by the user process itself in an operating system is
A
block
B
wake up
C
timer run out
D
None of the above
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