What is buoyant signal?

i think analog signal is that signal where your signal strength changes everytime and in digital signal your signal strength is stedy. Analog signal has a varying numerical value while digital has...

A signal x(t) is called an energy signal , if the energy is finite and the power is zero. A signal x(t) is called an power signal , if the power is finite and the energy is infinite.

Voice signals are analog signals, whereas computer signals are digital .

yes. Digital signals means discrete which varies instantaneously as binary.

A: while a step can be of both polarity but it is a level change and it is DC LEVELS