What is signal?

5 pts.
Tags:
Communication
signals
I'm trying to understand what is meant by signal. Can someone tell me?

Software/Hardware used:
what is signal?

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Welcome to ITKE, shahidkhan60! A signal, in electronics, is the electric current or electromagnetic field that’s used to convey data from one place to another. The simplest form of signal is the direct current (switched on and off) but a more complex one is alternating current (contains one or more data streams).

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