1.1.2 CPU Performance

Question 1

Why does cache size affect the performance of the CPU (2)

Answer 1

Data is transferred faster (1) Makes the CPU more efficient (1)

Question 2

How can having a higher processor affect the performance of the CPU (2)

Answer 2

Faster/ Higher clock speed (1) More Fetch Execute Cycles (1) More Instructions can be executed per second

Question 3

Explain why having a quad- core processor will not always run twice as fast as a dual- core processor (3)

Answer 3

Software may be designed to run 1 core and not multiple (1) Dual core may have a faster clock speed than a quad core (1) Quad core may have less RAM (1) Quad core may have less cache (1)

Question 4

What is Cache Memory (2)

Answer 4

High speed memory inside the processor (1) that stores frequently used insructions (1)