Cache Memory and Pipelining Questions

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6.

If a unit completes its task before the allotted time period, then _______

A

It

B

Its time gets reallocated to a different task

C

It

D

None of the mentioned

Correct Answer: C

None

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7.

To increase the speed of memory access in pipelining, we make use of _______

A

Special memory locations

B

Special purpose registers

C

Cache

D

Buffers

Correct Answer: C

By using the cache we can reduce the speed of memory access by a factor of 10.

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8.

The periods of time when the unit is idle is called as _____

A

Stalls

B

Bubbles

C

Hazards

D

Hazards

Correct Answer: D

The stalls are a type of hazards that affect a pipelined system.

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9.

The contention for the usage of a hardware device is called ______

A

Structural hazard

B

Stalk

C

Deadlock

D

None of the mentioned

Correct Answer: A

none

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10.

The situation wherein the data of operands are not available is called ______

A

Data hazard

B

Stock

C

Deadlock

D

Structural hazard

Correct Answer: A

Data hazards are generally caused when the data is not ready on the destination side.

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