CPU performance (Clock, Cache, Cores)

Question 1

What is clock speed?

Answer 1

The speed at which instructions are executed via the fetch decode execute cycle

Question 2

What is clock speed measured in?

Answer 2

Hertz (Hz) - once per second

Question 3

What is cache memory?

Answer 3

Its is temporary and stores data that needs to be accessed quickly

Question 4

Disadvantages to cache

Answer 4

More expensive than RAM
Will only have KB of storage compared to GB of RAM

Question 5

What are cores

Answer 5

Carry out the fetch decode execute cycle
More cores means more cycles/instructions can be processed at once

Question 6

TRUE OR FALSE AND WHY?
Having multiple cores does not necessarily improve performance

Answer 6

TRUE
because the program may not have been developed to use multiple cores.