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3G
- The blanket name for a family of standards for mobile telecommunications that offer services including wide-area wireless telephone, video calls, and wireless data all in a mobile environment. 3G Networks therefore offer users a wider range of more advanced services.
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ADSL
- Asymmetric Digital Subscriber Line. A data communications technology that allows faster data transmission over copper telephone lines than a conventional voiceband modem can provide.
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ADSL2(+)
- Newer versions of ADSL that increase performance of data rates and download capacity.
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CCTV
- Closed Circuit TeleVision. The use of video cameras to transmit a signal to a specific place, on a limited set of monitors.
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CMS (Content Management System)
- A web-bas.ed program that allows you to update websites without knowledge of programming or HTML.
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Firewall
- A software solution that blocks any dangerous or harmful traffic from accessing your PC or network.
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HD (High Definition)
- Refers to far greater imaging quality provided by digital over analogue technology.
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HTML (Hyper Text Markup Language)
- The "programming" language used to make and format web pages and content on the Internet.
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IP (Internet Protocol)
- A protocol used for communicating data across an internetwork, also referred to as TCP/IP.
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PABX (Private Branch Exchange)
- A telephone exchange that serves a particular business or office as opposed to the general public.
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PoE (Power over Ethernet)
- Refers to the ability to provide power to electronic devices through the use of only network cable, without requiring additional power cabling.
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PSTN (Public Switched Telephone Network)
- The "switchboard network" of all the world's land line telephones.
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PTZ - Pan/Tilt/Zoom
- The opposite of fixed cameras, PTZ cameras offer increased functionality and moveable field of vision, often at the cost of image resolution.
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SPAM
- The Internet equivalent of "junk mail", sent by unsolicited vendors to your e-mail address.
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Wi-Fi
- A class of wireless local area network devices based on industry standards, allowing wireless network access.
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VPN (Virtual Private Network)
- A computer network that forms links between nodes on a larger network (such as the Internet).
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Access provider
- An organisation that provides access to the Internet. Also known as Internet Service Provider (ISP)
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Address
- The identification of a physical or virtual distinct entity in a network. On the Internet, this network address is called a URL (Uniform Resource Locator).
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Anonymous ftp
- A publicly available Internet file site. Users must sign on as anonymous and enter their email address to connect to an anonymous ftp site.
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Apache
- An open source Web server package, mostly used on Linux and Solaris platforms.
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