Operating system questions answers rtos

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Operating system mcqs kernel io subsystems

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Buffering is done to .....
A
cope with device speed mismatch
B
cope with device transfer size mismatch
C
maintain copy semantics
D
all of the mentioned
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Caching .....
A
holds a copy of the data
B
is fast memory
C
holds the only copy of the data
D
holds output for a device
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Windows NT uses a ..... implementation for I/O.
A
message - passing
B
draft - passing
C
secondary memory
D
cache
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
I/O is a ..... in system performance.
A
major factor
B
minor factor
C
does not matter
D
none of the mentioned
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Spooling .....
A
holds a copy of the data
B
is fast memory
C
holds the only copy of the data
D
holds output for a device
There are 5 questions to complete.

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