1
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
2
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
3
GATE CSE 2001
MCQ (Single Correct Answer)
+2
-0.6
Which of the following does not interrupt a running process?
A
A device
B
Timer
C
Scheduler process
D
Power failure
4
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
Suppose a processor does not have any stack pointer register. Which of the following statements is true?
A
It cannot have subroutine call instruction
B
It can have subroutine call instruction, but no nested subroutine calls
C
Nested subroutine calls are possible, but interrupts are not
D
All sequences of subroutine call and also interrupts are possible
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