COMPONENT 1 TOPIC QUESTIONS

1.1 Systems Architecture

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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Define the function of a CPU.

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

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

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List two registers found in Von Neumann architecture.

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

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

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

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

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

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