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Component 1 Topic Questions List

1.1 Systems Architecture

4

Fill in the table by providing the missing definition or name for each of the common CPU components and registers.

CPU component or register

Definition


Stores the address of the next instruction to be fetched from memory. Increments during each fetch-execute cycle.

CU (Control Unit)



Stores the address of the data to be fetched from or the address where the data is to be stored.


Performs mathematical calculations and logical operations.



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1.1 Systems Architecture

1

Define the function of a CPU.

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1.1 Systems Architecture

2

Name a register not mentioned in part (i) and describe its purpose.

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1.1 Systems Architecture

4

Tick the correct components in the table based on the given statements.

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1.1 Systems Architecture

2

List two registers found in Von Neumann architecture.

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1.1 Systems Architecture

2

Identify two actions that occur during the fetch-execute cycle.

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1.1 Systems Architecture

2

Explain what is meant by a single core 2.5 GHz processor.

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1.1 Systems Architecture

5

Complete the sentences: CPU stands for ..., It fetches and executes ..., stored in .... The CPU includes the ... and ....

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1.1 Systems Architecture

4

Draw a line matching each processor component to its correct definition.

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1.1 Systems Architecture

2

Compare the performance of a 3.2 GHz processor with a 1.2 GHz processor.

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