1
GATE CSE 1992
Fill in the Blanks
+2
-0
Maximum number of edges in a planar graph with $$n$$ vertices is _______ .
2
GATE CSE 1992
MCQ (Single Correct Answer)
+2
-0.6
Which of the following is an example of a spooled device?
A
The terminal used to the input data for a program being executed.
B
The secondary memory device in a virtual memory system.
C
A line printer used to print the output of a number of jobs.
D
None of the above.
3
GATE CSE 1992
MCQ (Single Correct Answer)
+2
-0.6
At a particular time of computation the value of a counting semaphore is 7. Then 20 P operations and 15 V operations were completed on this semaphore. The resulting value of the semaphore is:
A
42
B
2
C
7
D
12
4
GATE CSE 1992
MCQ (Single Correct Answer)
+1
-0.3
Which page replacement policy sometimes leads to more page faults when size of memory is increased?
A
Optimal
B
LRU
C
FIFO
D
None of these
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