What is discrete signal?

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Sunil Yadav

Physics & Mathematics Expert for JEE Mains,Advanced & Olympiads with 14 yrs experience

It is a time series that is a function over a domain of integers. Unlike a continuous-time signal, a discrete-time signal is not a function of a continuous argument.
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Engineering Tutor

A signal which is discrete in time and continuous in amplitude is known as a discrete time signal.That means a signal which is defined only at some instants of time.
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In a discrete-time signal, the number of elements in the set, as well as the possible values of each element, is finite, countable, and can be represented with computer bits, and stored on a digital storage medium.
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