This seems like a question from an electrical course, and is probably best answered by your course materials.
It's your test question, not ours, and there won't always be someone to ask for the answer. Earn your diploma.
An analog wave is similar in shape to whatever it represents. The idea is that (for example) when you speak, you can represent the pressure difference by a certain curve. When this is converted (in a microphone) to an electrical current, the graph of the electrical current will be similar (i.e., analog) to the graph for the sound wave.
One with a continuous signal wave.
An analog signal is simply a quantity varying continuously over time..But because we are interested in information and communication, we are usually interested in rapidly varying signals that have some underlying periodicity. Therefore we use sin wave
analog sensor
The sampling rate
No and yes. Digital signals are usually square or pulse waves. By Fourier analysis, however, every periodic wave, even a square wave, is the summation of some series (often infinite) of sine waves.
It's usually analog, but digital signals can be converted, if needed.
Yes, it is
One with a continuous signal wave.
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The sampling rate
Amplitude Modulation or analog is like a wave, digital is a series of 1s and 0s. Different animals unless you want to add complexity by including a converter between analog and digital
Should be a sine ( or cosine) wave.
An analog cellular system transmitted a caller's voice by converting the sound waves into a wave pattern
Sampling Rate.
The normal points in the direction that the wave is traveling.
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does it look like i know