2.1.7

Sequence

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Sequence

Sequence is the simplest structure for an algorithm to follow.

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Sequence

  • In a sequence algorithm, the computer follows a series of steps that are executed in the same order every time it runs.
  • This is often not very useful for longer codes because we cannot use any selection or iteration structures.
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Flow chart

  • The flow chart for a sequence program will have the blocks one by one.
  • One arrow will connect each block to the next block.
  • There will be no diamond shapes, so the diagram will be mainly:
    • Ovals.
    • Rectangles.
    • Parallelograms.

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