Tuesday, 4 October 2011

DCP


"HTTP" (Hypertext Transfer Protocol):
"HTTP" is the Internet's foundation of data communication. Also, it is a networking protocol for hypermedia, distributed and collaborative information systems.

"WAP" (Wireless Application Protocol):
"WAP" is used when connecting to the Internet over a wireless mobile device, for example the web browser on a mobile phone. It was the first type of Internet access for mobile devices; since then, there has been 2G, 3G etc.

"GSM" (Global System For Mobile Communications):
European Telecommunications Standards Institute has developed a standard set (GSM) to describe the technologies of 2G digital cellular networks. There are five different cell sizes in a GSM network – macro, micro, pico, femto and umbrella cells. The GSM networks operate in different frequency ranges with most 2G operating in the 900 MHz or 1,800 MHz bands.

"3G" (3rd Generation Mobile Telecommunications):
The term "3G" stands for "3rd Generation Mobile Telecommunications". "3G" is a generation of standards for mobile telecommunication and mobile phones services, that fulfill International Mobile Telecommunications-2000 (IMT-2000) specifications. The main function of this is to allow Internet connection without the use of a modem. In addition to this, later releases of "3G" also provide a mobile broadband which allows the user to connect to a modem within their house.

"MMS" (Multimedia Messaging Service):
An "MMS" is used when sending a text message that contains a piece of media; such as, a video or photograph. When sending, the MMS messages are delivered in a completely different way from SMS. The message is sent in a similar way to that of a MIME e-mail. The message is then sent. If the receiver’s phone is MMS compatible, the content is then saved in a storage sever with a HTTP front-end. If not, the message is delivered to a web based service where it can be viewed from a normal browser.

"GPRS" (General Packet Radio Service):
"GPRS" is a mobile data service that is packet oriented that is on the 2G and 3G cellular communication system's GSM.

"Bluetooth":
"Bluetooth" is used when exchanging media between wireless mobile devices over a short distance. It uses short-wavelength radio transmissions in the ISM band from 2400–2480 MHz with high levels of security. It was created by Ericsson in 1994 and was originally thought of as an alternative to RS-232 data cables.

"ADSL" (Asymmetric Digital Subscriber Line):
"ADSL" is a type of digital subscriber line technology that provides, over copper telephone lines, a faster data transmission.

"Broadband" (Broadband Internet Access):
"Broadband" is a connection to the Internet that has a high data rate. In computer use, there is a simple line code that transmits one type of signal using a full bandwidth. In comparison, the dial-up Internet is the slowest and lest expensive of them all. A dial-up connection allows you to connect to the Internet using a 56k modem and it dials up a phone number provided by your personal IPS and connects you to the Internet.

"VoIP" (Voice over Internet Protocol):
"VoIP" is used when transferring voice communications over the Internet. Since the first VoIP protocol, the H.323, the newer, less complex ones are increasingly limited to carrying existing long-haul network traffic. 

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