Pop Quiz: GCSE Systems Architecture

Describe the purpose of a CPU. [2]

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What is a register within the context of a CPU? [2]

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Name and describe the function of one specific register in the CPU. [2]

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Select three components that are part of the CPU. [3]

• Cache

• RAM

• ALU

• Control Unit

• ROM

For each of the following CPU components, describe their functions: [3]
a) ALU
b) Control Unit (CU)
c) Cache

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Explain four specific events that occur during the fetch-execute cycle. [4]

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Discuss how the characteristics of CPUs (clock speed, cache size, and the number of cores) affect their performance. [3]

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What is an embedded system? Provide a definition. [2]

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List three examples of embedded systems. [3]

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Considering a microwave's embedded system that controls its cooking modes. Explain two benefits of using an embedded system instead of a general-purpose computer in a microwave. [2]

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