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Most of the signals found in nature are _________

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in Signals and Systems by (1.2m points)
Most of the signals found in nature are _________

(a) Continuous-time and discrete-time

(b) Continuous-time and digital

(c) Digital and Analog

(d) Analog and Continuous-time

I got this question during an online exam.

My question is taken from Signal Classification and Properties in division Signals and Systems Basics of Signals and Systems

1 Answer

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by (42.1k points)
Correct option is (d) Analog and Continuous-time

Best explanation: Signals naturally are continuous-time signals. These are also known as analog signals. Continuous-time or analog signals are defined for all values of time t.

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