Question

Define Signal and System.

Answer 1

A signal is a discription of how one parameter varies with another parameter. for Instance , voltage changing over time in electronic circuit, or brightness varying with distance in an image. A system is any process that produces an output signal in response to an input signal.


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Answer 2

Hyyy....

• In signal processing, a signal is a function that conveys information about a phenomenon. In electronics and telecommunications, it refers to any time varying voltage, current or electromagnetic wave that carries information. A signal may also be defined as an observable change in a quality such as quantity.

@LittleButterfly