What does condition mean?

An expression that is either true or false, used by selection and iteration to decide what happens next: distance() < 10, for example.

Also written as: conditions

In a lesson

Here is the block from the last lesson doing its real job. The if line asks a question, the condition. If the answer is True, the block runs. If it is False, the block is skipped, and the program carries on with the first line after the block.

Learn it

• Taught in F2.2 Selection: if Decisions and loops, GCSE

Used in

• F2.3 else, elif and Boolean operators
• F2.6 Condition-controlled loops: while
• F7.3 SQL: SELECT
• F7.4 SQL: two tables and changing data
• F12.5 Technology and the environment
• F13.2 Trace tables
• F13.7 Where marks are lost
• F13.8 Revision that works
• 5.2 States
• 5.6 Project: rescue

and 25 more lessons.

All glossary terms