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Question
Distinguish between ‘Analog and Digital signals’.
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Solution
It is continuous signal, which varies continuously with variable may be time or distance etc.
E.g. Sound of human
Digital Signal:-
It is a type of signal which has only two values high or low. In digital high mean 1 and low means zero.
E.g. Temperature of day
Maximum 30°C ⇒ 1
Minimum 15°C ⇒ 0
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