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8 Cards in this Set
- Front
- Back
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Where does CPU fetch the data and instructions from and where does it store them?
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The CPU gets the data and instructions from the main memory and stores it in its own internal temporary memory.
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What is the name of the internal temporary memory areas?
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The internal temporary memory areas are called ‘registers’.
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For the fetch part of the cycle to happen, the CPU places the address of the next item in a vital hardware path. What is this called?
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The vital hardware path is called the ‘address bus’.
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Data from this bus then moves from the main memory into the CPU by travelling along another bus. What is its name?
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It is called the ‘data bus’.
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The next step is for the CPU to make sense of the instructions, what is this process called?
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The process is called ‘decode’.
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The CPU is designed to understand a specific set of commands which are different for every make of CPU. What are these set of commands called?
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These specific commands are called the ‘instruction set’.
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The CPU decodes the instructions but what does it do next?
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It prepares various areas within the chip so it is ready for the next step.
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What is the name of the part of the cycle where the actual data processing takes place?
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Execute.
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