Friday 9 December 2016

Internet Modems

  • Mo-Dem is expanded as Modulator-Demodulator, is essentially a device that all computers require to the internet.
  • Modem also used for sending taxes. A modem can be both external as well as internal. Some of the internet modems discussed below.
Analog Modem
  • Analog modem is also called Dial-up modem. It is mostly home users used for connecting internet.
  • The connection between the computer and modem using the standard telephone line. It is speed upto 55 kbps.
  • The major advantage is low cost and easy setup. Disadvantage is low speed.
Cable Modem
  • Cable modem is quite popular modem and preferred over analog modems. It allows fast internet browsing.
  • The cable modem connects to the internet by using the same wire that helps in transmitting cable television signal.
  • Advantage of cable modem is that it does not make use of a telephone line.
DSL Modem
  • DSL (Digital Subscriber Line) modem internet connection should be your preference if you want a reliable and fast access to the internet. It is downloading high speed data.
  • The main advantage is provide secure internet connection and easily interface with WAN. Disadvantage is more costly.
ISDN Modem
  • ISDN (Integrated Services Digital Network) modem is similar to analog modem. And it is connects to a telephone line but being a high-speed digital modem.
  • It is faster than the analog modem and it's speed reach upto 115 kbps. Advantage is high data rate provide.
ADSL Modem
  • ADSL (Asymmetric Digital Subscriber Line) modems are transmitted through a standard phone line but the frequency at which signals are transferred are much higher than a analog modem.
  • It will connected as both internally as well as externally. It is speed upto 1.5 Mbps.
  • Advantages of ADSL modem offers are broadband connectivity and uninterrupted high speed internet.

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