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Q.

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

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1.

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

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2.

An asynchronous call ____________

A

returns immediately, without waiting for the I/O to complete

B

does not return immediately and waits for the I/O to complete

C

consumes a lot of time

D

is too slow

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3.

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

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4.

For large data transfers, _________ is used.

A

DMA

B

programmed I/O

C

controller register

D

none of the mentioned

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5.

A process is moved to wait queue when I/O request is made with ____________

A

non-blocking I/O

B

blocking I/O

C

asynchronous I/O

D

synchronous I/O

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