Question

Modem stands for 'Modulator Demodulator'. (True/False)

Hint:

A Modem modulates a digital signal to an analog signal for transmission, and demodulates the analog signal back to a digital signal at the receiving end.

Answer 1

Step 1: Understanding Signal Conversion in Telecommunications:
Computer processors and digital networks process data as discrete binary electrical pulses (0s and 1s). However, long-distance analog transmission media (such as standard telephone lines or cable networks) can only transmit continuous sinusoidal analog waves.

Step 2: The Role of a Modem:
A Modem is a hardware device that bridges this gap:

• Modulator (Transmitting End): It converts digital signals from a computer into analog waves (modulation) so they can travel across analog telephone or cable lines.
• Demodulator (Receiving End): It receives incoming analog waves and converts them back into digital binary signals (demodulation) for the computer to process.

Step 3: Conclusion:
Since the term 'Modem' is a direct portmanteau of MOdulator-DEModulator, the statement is True.