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GCSE Computer Science · key term
A short, memorable name for an instruction, such as ADD for addition.
Used by AQA and Edexcel
Paper 2
Revise: Machine Code and Assembly LanguageAssembly language represents instructions using mnemonics: short names that help people remember what an instruction does. For example,
ADDrepresents addition. Other examples includeLDAfor load andSTAfor store.
Specification 3.3.1 · Paper 1
A short, memorable text command representing an assembly-language instruction, such as LDA for a load instruction.
When comparing the languages, give paired differences: machine code uses binary and is executed directly; assembly uses mnemonics and must be translated.
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Assembly language replaces binary instructions with short text commands called mnemonics. For example,
LDArepresents a load instruction andSTArepresents a store instruction. These commands are easier to recognise than their binary equivalents, but the programmer still works with individual processor operations.
