Step-by-Step Lesson

Learn: The Fetch-Decode-Execute Cycle

OCR H446 Computer Science Specification

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9 Steps4 Questions

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Steps in this lesson (9)

1
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Match the items on the left with their correct pairs on the right

2
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Match the items on the left with their correct pairs on the right

3
Multiple ChoiceInteractive

Which part of the cycle involves retrieving the next instruction from memory?

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4
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Match the items on the left with their correct pairs on the right

5
Fill in the BlankInteractive

The {{blank0}} keeps track of the address of the next instruction, while the {{blank1}} holds the instruction being decoded.

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6
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Match the items on the left with their correct pairs on the right

7
MatchingInteractive

Match the items on the left with their correct pairs on the right

Start the lesson to answer this matching question

8
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Match the items on the left with their correct pairs on the right

9
Multi-SelectInteractive

Select all the registers involved in the Fetch-Decode-Execute Cycle.

Start the lesson to answer this multi-select question

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