What is the function of a modem ?

Question

Question

This question was previously asked in

Telangana Police SI Prelims 2022 Official Paper

Answer 1

The correct answer is Convert from analog signals to digital and from digital to analog signals.

Key Points

A modem (modulator-demodulator) is a device that converts digital signals from a computer into analog signals for transmission over telephone lines and vice versa.
The modulation process converts digital data into analog signals for transmission.
The demodulation process converts received analog signals back into digital data for the computer.
Modems are used for internet connectivity, enabling computers to communicate over long distances using existing telecommunication infrastructure.

Additional Information

Important Terms:
- Analog Signal: A continuous signal that varies over time and is used in traditional telecommunication systems.
- Digital Signal: A discrete signal that consists of binary data (0s and 1s) used by computers and modern communication systems.
- Modulator: A component of the modem that converts digital signals to analog signals.
- Demodulator: A component of the modem that converts analog signals back to digital signals.