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WorksheetsSystems Architecture 1.1 (J276)
Total questions: 10
Worksheet time: 22mins
Name
Class
Date
1.
What is the purpose of the CPU? [2]
4 lines
2.
What is the name of the component that performs calculations and decisions? [1]
4 lines
3.
The program counter and accumulator are examples of what components of a CPU? [1]
4 lines
4.
What is the purpose of the cache? [2]
4 lines
5.
What two functions does the control unit perform? [2]
4 lines
6.
What is the purpose of the memory data register? [2]
4 lines
7.
Give an example of an embedded system, and explain why it is a computer system. [2]
4 lines
8.
Explain the purpose of the program counter, and how its value changes. [2]
4 lines
9.
What three factors affect the speed of a CPU? [3]
4 lines
10.
A von Neumann machine fetches and executes instructions from memory. Explain the first three stages of this cycle, naming the three registers used. [3]
4 lines
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