Systems Architecture 1.1 (J276)

What is the purpose of the CPU? [2]

What is the name of the component that performs calculations and decisions? [1]

The program counter and accumulator are examples of what components of a CPU? [1]

What is the purpose of the cache? [2]

What two functions does the control unit perform? [2]

What is the purpose of the memory data register? [2]

Give an example of an embedded system, and explain why it is a computer system. [2]

Explain the purpose of the program counter, and how its value changes. [2]

What three factors affect the speed of a CPU? [3]

A von Neumann machine fetches and executes instructions from memory. Explain the first three stages of this cycle, naming the three registers used. [3]