1
GATE CSE 2001
MCQ (Single Correct Answer)
+1
-0.3
Which of the following requires a device driver?
A
Register
B
Cache
C
Main memory
D
Disk
2
GATE CSE 1999
Subjective
+1
-0
Listed below are some operating system abstractions (in the left column) and the hardware components. Which matching pairs is correct?

$$\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,\,\,\,\,\,\,$$List-$${\rm I}$$
(a) Thread $$\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,\,\,\,\,\,\,$$(b) Virtual Address space
(c) File System $$\,\,\,\,\,\,\,\,\,\,$$(d) Signal

$$\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,\,\,\,\,\,\,$$List-$${\rm II}$$
(1) Interrupt $$\,\,\,\,\,\,\,$$$$\,\,\,\,\,\,\,\,\,\,$$(2) Memory
(3) $$CPU$$ $$\,\,\,\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,\,\,\,\,\,\,$$(4) Disk

3
GATE CSE 1999
MCQ (Single Correct Answer)
+1
-0.3
Which of the following disk scheduling strategies is likely to give the best throughput?
A
Farthest cylinder next
B
Nearest cylinder next
C
First come first served
D
Elevator algorithm
4
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
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