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Computer Architecture and Operation
Quick questions on CPU components and registers explained: H2 Computing
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the components of the CPU?Show answer
A CPU has three kinds of internal component:
What are the buses?Show answer
The CPU communicates with main memory and devices over three buses (sets of parallel wires):
What is the von Neumann architecture?Show answer
In the von Neumann (stored-program) architecture, both instructions and data are held in the same main memory, fetched over the same bus. Because a program is just data in memory, it can be loaded, changed and replaced without rewiring the machine - this is what makes computers general-purpose.
What is q1?Show answer
State the function of the control unit. [1 mark]
What is q2?Show answer
Which bus is bidirectional, and what does it carry? [2 marks]
What is q3?Show answer
What is meant by the von Neumann stored-program architecture? [2 marks]
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