
Y9
Computer Science
@
City Academy



Starter
Complete the Starter activity on the sheet below to assess your knowledge of CPU's for far.
CPU Performance
There are four main things about CPU architecture that affect it's performace:
-
Clock Speed
-
Cache Size
-
Cores
-
Processor Type
In your exercise book explain what part of the architecture is, it's role within the CPU and how changes to it will affect performace. Remember to explain what affect the changes will have an give clear examples.
Exam Question
Answer the following exam questions in your exercise book. Make sure to write the question.
Exam Tip: Look at the number of marks awarded for the question and be sure to make the same number of points in your answer.

Key words
Fetch
Decode
Execute
Processing
Central processing Unit
Cycle
Hertz
Over clocking
.
Learning Objectives
Understand the factors affecting CPU performance.
Learning Outcomes
F/G I can list the features that affect how a CPU performs.
D/E I can explain the effect on the computer system of increasing and decreasing the processor speed
C/B I can describe how changes to the architectre of a CPU can affect its performace.
