1.2.3

Flow Diagrams

Test yourself

Flow Diagrams

Flow diagrams are used to represent a given algorithm.

Illustrative background for Flow diagramsIllustrative background for Flow diagrams ?? "content

Flow diagrams

  • Flow diagrams are used to visually represent the steps that make up an algorithm.
  • A standard set of shapes are used to represent different types of step.
  • Arrows represent the flow of control, or what to execute next.
Illustrative background for Standard shapesIllustrative background for Standard shapes ?? "content

Standard shapes

  • An oval is used for the start and end of a program.
  • A rectangle is used to represent a process.
Illustrative background for Standard shapesIllustrative background for Standard shapes ?? "content

Standard shapes

  • A parallelogram is used to represent an input or an output.
  • A diamond is used to represent a decision:
    • A decision has two labelled arrows coming out of it.
    • The 'Yes' arrow is followed if the condition in the diamond was true, otherwise the 'No' arrow is followed.

Jump to other topics

1Computational Thinking & Algorithms

2Programming

3Hardware & Software

4Data

5The Internet

6Online Safety & Security

Go student ad image

Unlock your full potential with GoStudent tutoring

  • Affordable 1:1 tutoring from the comfort of your home

  • Tutors are matched to your specific learning needs

  • 30+ school subjects covered

Book a free trial lesson