1
GATE CSE 1998
MCQ (Single Correct Answer)
+2
-0.6
If an instruction takes $${\rm I}$$ microseconds and a page fault takes an additional $$j$$ microseconds, the effective instruction time if on the average a page fault occurs every $$k$$ instruction is:
A
$$i + \left( {j/k} \right)$$
B
$$i + j{}^ * k$$
C
$$\left( {i + j} \right)/k$$
D
$$\left( {i + j} \right){}^ * k$$
2
GATE CSE 1998
Subjective
+5
-0
In a computer system where the ‘best-fit’ algorithm is used for allocating ‘jobs’ to ‘memory partitions’, the following situation was encountered: GATE CSE 1998 Operating Systems - Memory Management Question 20 English

When will the $$20$$ $$K$$ job complete?

3
GATE CSE 1998
MCQ (Single Correct Answer)
+1
-0.3
Which of the following devices should get higher priority in assigning interrupts?
A
Hard disk
B
printer
C
Keyboard
D
Floppy disk
4
GATE CSE 1998
MCQ (Single Correct Answer)
+1
-0.3
Which of the following is true?
A
Unless enabled, a $$CPU$$ will not be able to process interrupts.
B
Loop instructions cannot be interrupted till they complete.
C
A processor checks for interrupts before executing a new instruction.
D
Only level triggered interrupts are possible on microprocessors.
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