1
GATE CSE 2021 Set 1
Numerical
+2
-0.67
In an undirected connected planar graph G, there are eight vertices and five faces. The number of edges in G is ______
Your input ____
2
GATE CSE 2021 Set 1
MCQ (More than One Correct Answer)
+2
-0.67
In the context operating systems, which of the following statements is/are correct with respect to paging?
A
Paging incurs memory overheads.
B
Paging helps solve the issue of external fragmentation.
C
Page size has no impact on internal fragmentation.
D
Multi-level paging is necessary to support pages of different sizes.
3
GATE CSE 2021 Set 1
Numerical
+2
-0.67
Three processes arrive at time zero with CPU bursts of 16, 20, and 10 milliseconds. If the scheduler has prior knowledge about the length of the CPU bursts, the minimum achievable average waiting for these three processes in a non-preemptive scheduler (rounded to the nearest integer) is ______ milliseconds.
Your input ____
4
GATE CSE 2021 Set 1
MCQ (More than One Correct Answer)
+2
-0.67
Which of the following standard C library functions will always invoke a system call when executed from a single-threaded process in a UNIX/Linux operating system?
A
strlen
B
malloc
C
exit
D
sleep
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