1000+ Computer Communication Interview Questions & Answers - 2

Question: 6

What is internet?

Several networks, small and big all over the world, are connected together to form Global network called the Internet.

Question: 7

What is demodulation?

The process of converting a signal that can flow through the telephone wire into sound or data is called demodulation.

Question: 8

What are the types of data transmission?

Data is transmitted in two forms

Analog data transmission: Analog data transmission is the transmission of data in a continuous waveform.

Digital data transmission: Digital data transmission is the widely used in communication system in the world. Data is transmitted in state of ‘on’ and ‘off’ or 1 and 0 respectively.

Question: 9

List out the things we need for an internet connection?

To use an internet in the simplest way we need

1. A computer

2. A telephone line

3. A modem

4. Internet Service Provider or ISP

The ISPs are the companies which allows the user to use the Internet for a price.

Question: 10

What is data transmission rate?

The speed at which data travel over a communication channel is called the communication rate.
The rate at which the data are transferred is expressed in terms of bits per second (bps).