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What is the fundamental difference between an analogue signal and a digital signal?
A
An analogue signal remains constant, whereas a digital signal varies continuously with time (binary).
B
An analogue signal has a low frequency, whereas a digital signal always has a high frequency (binary).
C
A digital signal is continuously varying, whereas an analogue signal consists of discrete levels (binary).
D
An analogue signal is continuously varying, whereas a digital signal consists of discrete levels (binary).
Card 1 of 22
Difference between analogue and digital signals (A-level only) Flashcards
22 flashcards on AQA A Level Physics Difference between analogue and digital signals (A-level only): the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3.