2.1 Flow Diagrams Flashcards
1
Q
What are Flowcharts
A
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.
2
Q
What shapes are used in Flowcharts
A
- An oval is used for the start and end of a program.
- A rectangle is used to represent a process.
- 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.