Which type of modulation is used in these technologies?
AM programs:
Cell phones:
FM programs:
Television:

The process of converting data into radio waves by adding information to an electronic or optical carrier signal is known as modulation.

Explanation:

AM programs:

In AM programs the amplitude of the carrier wave is varied in proportion to the message signal being transmitted. The amplitude or overall strength of the signal is varied to integrate the sound information.

Cell phones:

In cell phones Gaussian filtered MSK modulation is used which allows a data rate of 270 kbits/s in a 200-kHZ channel.

FM programs:

In FM programs the frequency of the radio signal is slightly varied by the audio signal. It has better sound quality because of their higher bandwidth.

Television:

To transmit the video signal on the television screen the amplitude modulation is used and to deliver the audio signal on the television screen the frequency modulation is used.

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explanation:

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