Digital Signal | MCQs

Explanation

A modem (short for modulator-demodulator) is used to convert digital data into analog signals to send over a phone line and vice versa.

It enabling communication between computers and networks.

Explanation

The process used to convert digital signals into analog signals for transmission over communication channels is called modulation.

Modulation involves altering a carrier signal (which is analog) to encode the digital information,

Allowing it to be transmitted over mediums that typically carry analog signals, such as radio waves or telephone lines.

Explanation

Input is never converted to digital form.

Explanation

Digital signals are represented using binary code, where data is encoded into sequences of 0s and 1s.