1
GATE CSE 2002
MCQ (Single Correct Answer)
+1
-0.3
Which of the following scheduling algorithms is non-preemptive?
A
Round Robin
B
First-In First-Out
C
Multilevel Queue Scheduling
D
Multilevel Queue Scheduling with Feedback
2
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
A processor needs software interrupt to
A
Test the interrupt system of the processor
B
Implement co-routines
C
Obtain system services which need execution of privileged instructions
D
Return from subroutine
3
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
Consider a set of $$n$$ tasks with known runtimes $${r_1},{r_2},.....\,{r_n}\,\,$$ to be run on a uniprocessor machine. Which of the following processor scheduling algorithms will result in the maximum throughput?.
A
Round -Robin
B
Shortest -Job -First
C
Highest-Response-Ratio-Next
D
First -Come-First-Served
4
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
A CPU has two modes-privileged and non-privileged. In order to change the mode from privileged to non-privileged
A
A hardware interrupt is needed
B
A software interrupt is needed
C
A privileged instruction (which does not generate an interrupt) is needed.
D
A non-privileged instruction (which does not generate an interrupt) is needed.
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