Question 1

What is CPU cache memory?

Accepted Answer

A high-speed memory that stores frequently used instructions and data for faster access by the CPU.

Answer

A type of memory used for input/output operations.

Answer

A type of memory used for long-term storage.

Answer

A type of memory used for virtualization.

Question 2

What is the purpose of CPU cache memory?

Accepted Answer

To reduce the latency between the CPU and main memory.

Answer

To allow for parallel processing of instructions.

Answer

To increase the amount of available memory for the CPU.

Answer

To reduce the latency between the CPU and input/output devices.

Question 3

What is the typical size of CPU cache memory?

Accepted Answer

A few megabytes or less.

Answer

Several terabytes.

Answer

Several petabytes.

Answer

Several gigabytes.

Question 4

How does CPU cache memory improve system performance?

Accepted Answer

By reducing the number of times the CPU has to access main memory, which is slower.

Answer

By increasing the clock speed of the CPU.

Answer

By increasing the amount of available memory.

Answer

By reducing the number of instructions sent to the CPU.

Question 5

What are the different levels of CPU cache memory?

Accepted Answer

L1, L2, and L3.

Answer

L1, L2, and L4.

Answer

L2, L3, and L4.

Answer

L1, L3, and L4.

Question 6

Which level of CPU cache memory is closest to the CPU?

Accepted Answer

L1.

Answer

L3.

Answer

L4.

Answer

L2.

Question 7

Which level of CPU cache memory is the largest?

Accepted Answer

L3.

Answer

L1.

Answer

L2.

Answer

L4.

Question 8

What is cache coherence?

Accepted Answer

The mechanism that ensures that multiple cache copies of the same data remain consistent.

Answer

The rate at which data is transferred between main memory and cache.

Answer

The reliability of cache memory.

Answer

The efficiency with which the CPU uses cache memory.

Question 9

What is cache hit rate?

Accepted Answer

The percentage of requested data that is found in the cache.

Answer

The rate at which cache memory is updated.

Answer

The speed at which data is transferred between main memory and cache.

Answer

The amount of available space in the cache.

Question 10

What is cache miss rate?

Accepted Answer

The percentage of requested data that is not found in the cache.

Answer

The rate at which data is transferred between main memory and cache.

Answer

The rate at which cache memory is updated.

Answer

The amount of available space in the cache.

Related quizzes

Related quizzes