Question 2 - Past Year - 2 Mark Questions - Chapter 10 - Computer Networks

Last updated at April 16, 2024 by

What do you mean by a modem? Why is it used?

 

Answer:

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  • Modem stands for Modulator Demodulator. 
  • It is a device that converts digital signal to analog signal (modulator) at the sender’s side and converts back analog signal to digital signal   (demodulator) at the receiver’s end.  
  • It enables a computer to transmit data over telephone lines.  

Transcript

What do you mean by a modem? Why is it used? Answer: Modem stands for Modulator Demodulator. It is a device that converts digital signal to analog signal (modulator) at the sender’s side and converts back analog signal to digital signal (demodulator) at the receiver’s end. It enables a computer to transmit data over telephone lines.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.