Modem means modulator and demodulator. It’s a gadget that you simply use to transmit date and to obtain knowledge as properly by way of a channel for communication. These channels generally is a cable, phone line and an optic fiber.
1. The primary reply to the query, why is a modem wanted is as a result of we want a converter so knowledge might be transferred to the analog system of the phone. Immediately we are able to additionally change knowledge that’s digital to analog mode. The sign is then turned into digital by the modem via demodulation. That is the straightforward rationalization on the processes that takes place in a modem. Different processes that happen in a modem are error corrections, detection of errors, compressing knowledge and encryption.
2. The second reply to the query, why is a modem wanted is for giving increased high quality and sooner switch of information. There are quick modems that may take away the issue of most firms about time delays. Additionally they want this to provide real-time buyer help. It additionally provides quick communication which is required by many individuals.
three. The third reply to the query, why is a modem wanted is for giving good high quality of graphics for larger functions. That is particularly wanted for functions with applications like Java. A quick modem can also be wanted for creating functions for multimedia in addition to video games which might be three dimensional.
four. The fourth reply to the query, why is a modem wanted is for creating the native space community for properties or workplaces. Immediately this is likely one of the most cheap methods to attach one pc to the opposite. This facilitates sooner communication like in a hospital the place the sufferers and the medical workers would have faster entry on the well being data. For the leisure business that is wanted to supply clearer photos and sounds just like the HDTV.
5. A modem can also be wanted as a result of there are nonetheless distant locations on the earth that medical doctors, attorneys and authorities officers don’t incessantly go to. They’ll solely be reached by different folks by way of telecommunications which might be facilitated by having a modem and a pc.
6. Another excuse why a modem is required is for facilitating the quick progress of the financial system of a rustic. Most companies right this moment function by way of on-line communication. You’ll be able to simply shut a enterprise deal by way of the Web. Folks may also do on-line procuring which turned a development nowadays due to the modem.