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GCSE Computer Science · key term
A name used to identify something in a program, such as a variable or constant.
Used by AQA and Edexcel
Paper 1
A name used to identify a program element, such as a variable, constant or subroutine.
Revise: Statement CombinationsA variable is a named location in memory that stores a value which can change while a program runs. Its name is an identifier. Using a name means the programmer can refer to the data without knowing its numerical memory address.
A name given by a programmer to a variable, constant or subroutine.
Use meaningful identifiers, suitable data types and indentation that makes branches, loops and subroutine bodies clear.
When asked why meaningful identifiers matter, link easier understanding to a specific maintenance task, such as finding and correcting an error.
Distinguish the identifier from the data it names: coin_flips names the collection, not one individual Boolean result.
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A name used in a program to identify something, such as a variable or an array.
The name used to identify a program item, such as a variable, record type or field.
Specification 1.2.2, 6.1.4, 6.3.2 · Paper 1, Paper 2
A name used to identify something in a program, such as a variable, constant or data structure.
Revise: Algorithms with Variables, Constants, and Data StructuresA variable is a named storage location whose value can change during program execution. Its name is an identifier.
A name used to identify a program element, such as a variable or subprogram.
