Jargon Buster

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Data Exchange: The transmission and receipt of information (data, audio and visual) via a computer-linked network, or from disk to disk.
Database: One or more large and structured sets of persistent data. A simple database might be a single file containing many records.
Desktop: The main directory of a PC�s user interface, typically displayed as a front-page screen. Desktops usually contain icons that represent links to the hard drive, a network (if there is one), and a trash or recycling can for files to be deleted. It can also display icons of frequently used applications, as requested by the user.
Dial access: A temporary, as opposed to always-on, connection between PC machines, established over a standard phone line.
Domain Name: The �unique� name address of a web site on the Internet. Domain names typically end with a suffix denoting the type of site, for example, Nildram.co.uk (that�s us!) or royal.gov.uk (the British Royal family). Some important domains are: .com (commercial), .EDU (educational), .NET (network operations) and .GOV (US government). Most countries also have a domain: .US (United States), .UK (United Kingdom), .AU (Australia). Your domain names are likely to include the name you title your web site, such as a business or brand name. You will encounter them most frequently in Web addresses (ours is http://www.Nildram.co.uk) or email addresses (user@Nildram.co.uk).
DSL (Digital Subscriber Line): (Digital Subscriber Line) - A method of moving data over regular phone lines. A DSL circuit is much faster than a regular phone connection and the wires coming into the subscriber's premises are the same (copper) wires used for regular phone service. A DSL circuit must be configured to connect two specific locations, similar to a leased line. A common configuration of DSL allows downloads at speeds of up to 1.544 megabits (not megabytes) per second, and uploads at speeds of 128 kilobits per second. This arrangement is called ADSL: Asymmetric Digital Subscriber Line. Another common configuration is symmetrical: 384 Kilobits per second in both directions (see SDSL).
E-mail (Electronic Mail): E-mail is a method of sending messages across a computer network, whether simply across the office or around the world. The text of the message is typed in on one computer and then sent to someone else on the network. Attachments can be linked to the message and may include images and sound as well as data. The recipient of the message reads it on his computer and can then delete the message, file it, print it, send a reply or forward it to others. You can also use mailing lists to send a single message to many others at the same time.
E-mail servers: Providers of e-mail services, such as mail forwarding, made available to clients over an ISP�s network, usually via a POP account.
Encryption: The manipulation of data in order to prevent anyone but the intended recipient from reading it. There are many types of data encryption, and they are the basis of network security.
Firewall: A combination of hardware and software that separates a network into two or more parts for security purposes, thus making it more complex for hackers and snoopers to interrogate.

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