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Computer Science
Key terms
Digital signal

GCSE Computer Science · key term

Digital signal

Definition

A representation using separate numerical values rather than a continuously varying signal.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Computer Science · 1CP2

Specification 2.2.3 · Paper 1

Revise: Analogue Sound in Binary

Edexcel Computer Science past papers

Related key terms

Amplitude
Analogue signal
Analogue-to-digital converter
Bit depth
Sample

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Digital signal — Edexcel GCSE Computer Science Definition

Sample interval