Regarding Modem You Must Know!

Understanding Modem and Modem function I will discuss this time. Modem stands for Modulator Demodulator comes from. Modulator is a part that converts the information signal into a signal carrier (Carrier) and is ready to be sent, while the demodulator is the part that separates signaling information (which contain data or messages) of the carrier signal (carrier) received that information can be received well. Modem is an amalgamation of both, it means the modem is a two-way communication tool. Any long-distance communication device generally uses two-way section called "modem", such as VSAT, Microwave Radio, and so forth, but generally the term more commonly known as the modem hardware that is often used for communication on the computer.

Data from a computer in the form
digital signal provided to the modem to be converted into an analog signal. Analog signals can be transmitted through multiple media such as telephone and radio telecommunications.
On arrival at the destination modem, analog signals are converted into digital signals and sent to the computer again. There are two types of modems are physical,
external modem and internal modem.

Modem is divided into:


1. Analog modem is a modem that converts analog signals into digital signals
2. ADSL Modem
3. The cable modem is a modem that receives data directly  from the service provider via cable TV
4. CDMA Modem
5. Modem 3GP
6. GSM Modem
 
Modem function
Modem function is to convert digital signals into voice signals and also conversely. This modem has been developed with a range of facilities that are useful, for example, voice modem. With this facility, voice modem, change the modem function not only as a connector to the internet but more than that, the modem can be a radio channel, audio, streaming video to a phone conversation.

The inventor of the PC Modem

Dennis C. Hayes found a modem for personal computers (PCs) in 1977, whose results are able to establish the most important technologies that make today's world can be always online, and arouse the Internet industry to grow.

He first named the Hayes modem products to sell to the computer in April 1977, and later founded the company DC Hayes Associates, Inc.., The latter known as Hayes Corp.., In January 1978. Quality and innovation of products produced in Hayes performance improvement and cost reduction so as to lead the industry in the transition from leased line modems to intelligent dial-up modems for PCs.