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Q.

The kernel data structures include ____________

A

process table

B

open file table

C

close file table

D

all of the mentioned

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MCQ

1.

The _________ are reserved for events such as unrecoverable memory errors.

A

non maskable interrupts

B

blocked interrupts

C

maskable interrupts

D

none of the mentioned

Discussion

MCQ

2.

Caching is ________ spooling.

A

same as

B

not the same as

C

all of the mentioned

D

none of the mentioned

Discussion

MCQ

3.

In general the two interrupt request lines are ____________

A

maskable and non maskable interrupts

B

blocked and non maskable interrupts

C

maskable and blocked interrupts

D

none of the mentioned

Discussion

MCQ

4.

What is a dedicated device?

A

opposite to a sharable device

B

same as a sharable device

C

can be used concurrently by several processes

D

none of the mentioned

Discussion

MCQ

5.

An I/O port typically consists of four registers status, control, ________ and ________ registers.

A

system in, system out

B

data in, data out

C

flow in, flow out

D

input, output

Discussion

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