What is Modem? and how many types of Modem? | surf xtra tech

What is Modem? and how many types are there?:- Hello friend, once again you are welcome to all the people. Friends, today we are going to talk about modem with all the people. Knowing about modem is very important for you all people. Because we can run the internet with the help of modem connecting the internet to a computer or laptop. That's why we have tried to give this information. What are the modems? , And how many types of modems are there? So let's know all the modem information.

What is Modem?

A modem is a network hardware device that specifically sends data to the computer via a telephone line or satellite connection, as well as allowing the modem to be a device that converts digital signals into analogue signals and converts analogue signals into digital signals. is

What is Modem? and how many types of Modem? | surf xtra tech, the meaning of modem in English, the history of the modem, more information about the modem working system

The modem is called both input and output devices because modem sends data and also receives data.

Meaning of Modem in English

Modem means modulator and demodulator in which Modulation - turns digital signal into analogue signal, replacing Demodulation - analogue signal into the digital signal

History of Modems in English

The first device of the modem was an analogue telephone, changing the digital data on analogue telephone lines, the speed of this modem was measured in baud, after which it was converted in seconds on bits.

First of all, the modem was used by the American military, at that time the speed of the modem was 110 bps, the use of modem began to increase in the 1980s.

The modem was used in the world after the arrival of the World Wide Web in 1990. Firstly the name of the modem was Dial-Up, which means that dial-up modem used to work in standard analogue mobile lines, to dial a phone number to connect to the Ternate Service Provider (ISP).

In Dial-Up Modem, one could do the same thing at a time as if one can run or collocate the Internet at a time.

In modern times the modem is equipped with DSL or cable, which is commonly called broadband device.

Modem Working system

As you guys know that only analogue signals are sent by telephone and do not send digital signals

But digital signals can be obtained by computer so the digital signals are transmitted by the modem to the analogue signal, and sent to the other modem by telephone line, where another modem is re-converted to digital signals by the other modem obtained by the computer.

Types of Modem 

1. Onboard Modem -

This type of modem is made only for the computer motherboard. This modem cannot be removed but can be closed. The Jumper or CMOS Setup is used to turn them off.

2. Internal Modem -

These types of modems are used in computers or laptops which are used to communicate with the Internet network. Internal modems are very important because it does not require power separately.

3. PC Card Modem -

This type of modem is made for a portable computer, its size is like a credit card, it is kept in the PC card slot on the hand-held computer, whenever PC card modem is not needed, it can be removed.

Friends, hope that in our posts of today, what are the modems to all of you? And how many types are there ?, the meaning of modem in English, the history of the modem, more information about the modem's working system, complete information about modem type Must have got.

So friends, why do you share this post more and more so that more people know all the information about the modem.