Clock speed (CPU preformance)

Question 1

What are the main factors affecting CPU performance?

Answer 1

Clock speed
Cache size
Number of cores

Question 2

What is clock speed?

Answer 2

The speed at which the processor operates

Question 3

What unit is clock speed measured in?

Answer 3

Hertz

Question 4

What is hertz the name for?

Answer 4

It is the name for for the number of cycles per second or the rate at the electrical current changes in the actual circuits.

Question 5

Everything the processor does occurs on what?

Answer 5

Tick of the “clock”

Question 6

What does a faster clock mean?

Answer 6

The faster the clock the more instructions and data that can be fetched decode and executed in a second

Question 7

What is one cycle per second equal to?

Answer 7

1 hertz

Question 8

What is clock speed measured in?

Answer 8

Gigahertz

Question 9

How many cycles per second is a gigahertz?

Answer 9

1 billion cycles

Question 10

What is the typical speed for a PC?

Answer 10

Between 2GHz and 4GHz

Question 11

Why doesn’t a 4GHz computer not always work twice as fast as a 2GHz computer?

Answer 11

Because there are many other components affecting the speed of the computer