Working and Functioning of Modulator Demodulator Modem



Modem
A modem stands for Modulator Demodulator; the main work of modem is sending and receiving of the data and for this it uses the telephone lines. A Computer network works for digital mode, while its analogue technical line receives message. But Modem controls the digital signal from computer modulator and other digital devices, and then sends them to analogue signals. CLICK HERE TO KNOW What are the types of Modem Modulator Demodulator ... 
Working and Functioning of Modulator Demodulator Modem
Working and Functioning of Modulator Demodulator Modem
After this demodulator demodulates the incoming signal and changes them to digital signal, so that digital device can understand it. With that a modem can work using phone sound and changes them into computer language. In simple language the modulator or modem is known as sender because it changes the data signals first, but the demodulators is known as receivers because they change the signals again into digital data.

Working of Modem :
 When any analog facility is used in 2 digital devices to communicate data, so we calls them DTE ( Data Terminal Equipment ). Modem only works when it used in two digital devices. This device may be DTE or other terminal. Modem changes the digital signals to analogue signals. Now modem gives these signals to DTE.

The working way of both these modem is known as telephone circuit. If you are using a switch telephone circuit then modem needs to join local telephone. It helps in connection both modem between them data transfers.

Benefits of Modem :
·         They are mostly used for internet connection.

·         Modem changes the digital signals into analogue signals.

·         Modem is the most known medium for communication of data.

·         This can connect two computers via telephone lines.

·         They are not expensive. CLICK HERE TO KNOW Use Smartphone as a Wireless Modem using Bluetooth ... 
Advantages and Disadvantages of Modem
Advantages and Disadvantages of Modem
Losses of Modem :
·         There working speed depend on their cost.

·         They can work only between LAN and Internet.

·         Modem can’t understand the intermediate process.

·         To connect them you need RJ 11 Jack, only then it can communicate with data.

Note – Modem always works in a pair, so that a modem makes an electric operated bridge between two worlds means the worlds of digital signals and world of analog signals.

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World of Digital and Analog Signals in Modem
World of Digital and Analog Signals in Modem
How a Modem Works, Advantages and Disadvantages of Modem, Modem Works like a Bridge Between Two Signal World, Functioning of Modem, World of Digital and Analog Signals in Modem



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