| ATM |
Asynchronous Transfer Mode. The ATM
Forum. |
| Leased Line |
A dedicated data line, paid for annually and charged by time not
useage. |
| SDH |
Synchronous Digital Hierachy |
| LAN |
Local Area Network |
| WAN |
Wide Area Network |
| Backbone |
The core of a network which connects the parts together, rather like a
human backbone |
| Ethernet |
A local area network technology, developed originally by Xerox for
data transmission. |
| Token Ring |
A local area network transmission medium using token passing to
control the flow of data round the network. |
| Optical Fibre |
A thin strand of ultra pure glass used to carry pulses of light. Corning Fibres
|
| Spread Spectrum |
A licence free radio technology operating at 2.4GHz. |
| MHz, MegaHertz |
An expression of frequency. 1 MHz = 1 million Hertz (Cycles per
second) |
| GHz, GigaHertz |
1 GHz = 1000 million Hertz |
| MB/s |
An expression of the rate of transfer of data. 1 MB/s = 1million Bits
per second. |
| Mutual Recursion |
see "Recursion, Mutual" |
| Switch |
An intellegent network device to link computers together. |
| Hub |
A simple network device to link computers together. |
| Server |
A computer optimised to deliver a service (eg. e-mail, file sharing,
web page delivery. |
| Linux |
A free Unix derived operating System. http://www.linux.org/ |
| NetWare |
A network server operating system manufactured by Novell. |
| NT4 |
A server operating system manufactured by Micro$oft |
| The Internet |
A global computer network, see World Wide
Web |
www
|
The World Wide Web. A part of the internet intended to provide easy
access to information using a web browser.
Origins of
the world wide web. |
| http:// |
Hyper Text Transfer Protocol, used to transfer World Wide
Web info. |
| html |
Hyper Text Mark-up Language, used to write pages for the World Wide
Web info. |
| ftp:// |
File Transfer Protocol. Used for file downloads on the Internet. |
| Firewall |
A computer designed to filter out unwanted data |
| Recursion, Mutual |
see "Mutual Recursion" |
| Protocol |
A set of rules defining the exchange of data. |
| DNS |
The Domain Name System, used to convert web site named into numeric
addresses. |
| NDS |
Novell Directory Services |
| Operating System |
The software run by a computer to allow it to perform work.
e.g.Windows or MacOS |
| PC, pc |
IBM compatible Personal Computer using Intel compatible
microprocessors. |
| Macintosh, Apple Mac |
Personal Computer manufactured by Apple Computers. |
| RJ45 Plug/Socket |
The type of plug and socket used in modern network cabling. Pictures |
| URL |
Uniform Resource Locator, usually a web address e.g.
http://www.bbc.co.uk/index.html, see http:// |
| ADSL |
Asynchronous Digital Subscriber Line. This is an upgrade to a standard
phone line which allows high speed data transfer. ADSL is optimised for
downloading from the internet. |
| ISP |
Internet Service Provider. An organisation providing internet access.
|
| Web Browser |
A program for connecting to information on the World Wide Web. The
most popular Browser programs are Netscape
Communicatorand Internet
Explorer. |
