Internet Glossary of Terms
Access (Microsoft Access)
A database system developed by Microsoft. Part of Microsoft Office Professional. Mostly used on low traffic web sites running on the Windows platform.
A web technology for streaming movies from a web server to a web client. Developed by Microsoft.
A programming interface (API) that allows web browsers to download and execute Windows programs. (See also Plug-In)
See Web Address.
In web terms: The starting point or ending point of a hyperlink.
See FTP Server.
ANSI (American National Standards Institute)
An organization that creates standards for the computer industry. Responsible for the ANSI C standard.
An international standard for the C programming language.
ADO (ActiveX Data Object)
A Microsoft technology that provides data access to any kind of data store.
ADSL (Asymmetric Digital Subscriber Line)
A special type of DSL line where the upload speed is different from the download speed.
An open source web browser editor from W3C, used to push leading-edge ideas in browser design.
A set of pictures simulating movement when played in series.
A computer program made to discover and destroy all types of computer viruses.
An open source web server. Mostly for Unix, Linux and Solaris platforms.
See web applet.
A computer program to locate files on public FTP servers.
API (Application Programming Interface)
An interface for letting a program communicate with another program. In web terms: An interface for letting web browsers or web servers communicate with other programs. (See also Active-X and Plug-In)
The experimental network tested in the 1970's which started the development of the Internet.
In web terms: the method used to verify the identity of a user, program or computer on the web.
ASCII (American Standard Code for Information Interchange)
A set of 128 alphanumeric and special control characters used for computer storing and printing of text. Used by HTML when transmitting data over the web.
ASF (Advanced Streaming Format)
A multimedia streaming format. Developed by Microsoft for Windows Media.
ASP (Active Server Pages)
A Microsoft technology allowing the insertion of server executable scripts in web pages.
ASX (ASF Streaming Redirector)
An XML format for storing information about ASF files. Developed by Microsoft for Windows Media.
AVI (Audio Video Interleave)
File format for video files. Video compression technology developed by Microsoft.
A (most often graphic) advertisement placed on a web page, which acts as a hyperlink to an advertiser's web site.
A measure for the speed (amount of data) you can send through an Internet connection. The more bandwidth, the faster the connection.
The number of symbols per second sent over a channel.
BBS (Bulletin Board System)
A web based public system for sharing discussions, files, and announcements.
Data in machine readable form.
Bit (Binary Digit)
The smallest unit of data stored in a computer. A bit can have the value of 0 or 1. A computer uses 8 bits to store one text character.
A format for storing images.
In web terms: A link to a particular web site, stored (bookmarked) by a web user for future use and easy access.
Term to describe a user's movement across the web, moving from page to page via hyperlinks, using a web browser. (See Web Browser).
BPS (Bits Per Second)
Term to describe the transmission speed for data over the web.
See Web Browser.
Byte (Binary Term)
A computer storage unit containing 8 bits. Each byte can store one text character.
An advanced programming language used for programming advanced computer applications.
C++ (C Plus Plus)
The same as C with added object-oriented functions.
C# (C Sharp)
A Microsoft version of C++ with added Java-like functions.
A term used to describe if it is of importance to use upper or lower case letters.
In web terms: A web browser or web server feature which stores copies of web pages on a computer's hard disk.
An on-line text-based communication between Internet users.
CGI (Common Gateway Interface)
A set of rules that describes how a CGI program communicates with a web server.
The folder (or directory) on a web server that stores CGI programs.
A small program that handles input and output from a web server. Often CGI programs are used for handling forms input or database queries.
A codec for computer video.
See Web Client.
In web terms: The communication and separation of workload between a web client and a web server.
In web terms: A mouse click on a hyperlink element (such as text or picture) on a web page which creates an event such as taking a visitor to another web page or another part of the same page.
The number of times visitors click on a hyperlink (or advertisement) on a page, as a percentage of the number of times the page has been displayed.
Codec (Compressor / Decompressor)
Common term for the technology used for compressing and decompressing data.
A standard (language and a set of rules) to allow computers to interact in a standard way. Examples are IP, FTP, and HTTP.
A method of reducing the size (compress) of web documents or graphics for faster delivery via the web.
A computer program that can harm a computer by displaying messages, deleting files, or even destroying the computer's operating system.
Information from a web server, stored on your computer by your web browser. The purpose of a cookie is to provide information about your visit to the website for use by the server during a later visit.
Web development software for most platforms (Linux, Unix, Solaris and Windows).
CSS (Cascading Style Sheets)
A W3C recommended language for defining style (such as font, size, color, spacing, etc.) for web documents.
Data stored in a computer in such a way that a computer program can easily retrieve and manipulate the data.
A computer program (like MS Access, Oracle, and MySQL) for manipulating data in a database.
A database system from IBM. Mostly for Unix and Solaris platforms.
DBA (Data Base Administrator)
The person (or the software) who administers a database. Typical task are: backup, maintenance and implementation.
DHCP (Dynamic Host Configuration Protocol)
An Internet standard protocol that assigns new IP addresses to users as need.
DHTML (Dynamic HTML)
A term commonly to describe HTML content that can change dynamically.
In web terms: A connection to Internet via telephone and modem.
DNS (Domain Name Service)
A computer program running on a web server, translating domain names into IP addresses.
A web server running DNS.
DOM (Document Object Model)
A programming model for web page objects. (See HTML DOM and XML DOM)
The name that identifies a web site.
DOS (Disk Operating System)
A general disk based computer operating system (see OS). Originally developed by Microsoft for IBM personal computers. Often used as a shorthand for MS-DOS.
To transfer a file from a remote computer to a local computer. In web terms: to transfer a file from a web server to a web client. (see also Upload).
DSL (Digital Subscriber Line)
An Internet connection over regular telephone lines, but much faster. Speed may vary from 128 kilobit per second, up to 9 megabit per second.
DTD (Document Type Definition)
A set of rules (a language) for defining the legal building blocks of a web document like HTML or XML.
An IP address that changes each time you connect to the Internet. (See DHCP and Static IP).
E-mail (Electronic Mail)
Messages sent from one person to another via the Internet.
The address used for sending e-mails to a person or an organization. Typical format is username@hostname.
A web server dedicated to the task of serving e-mail.
To convert data from its original form to a form that can only be read by someone that can reverse the encryption. The purpose of encryption is to prevent unauthorized reading of the data.
See Web Server Error.
A type of local area network (see LAN).
Software that acts as a security filter that can restrict types of network communication. Most often used between an individual computer (or a LAN) and the Internet.
A vector-based multimedia format developed by Macromedia for use on the web.
See HTML Form.
In web terms: The same as Newsgroup.
In web terms: A part of the browser screen displaying a particular content. Frames are often used to display content from different web pages.
Web development software for the Windows platform. Developed by Microsoft.
FTP (File Transfer Protocol)
One of the most common methods for sending files between two computers.
A web server you can logon to, and download files from (or upload files to). Anonymous FTP is a method for downloading files from an FTP server without using a logon account.
A computer program for transferring (and reformatting) data between incompatible applications or networks.
GIF (Graphics Interchange Format)
A compressed format for storing images developed by CompuServe. One of the most common image formats on the Internet.
Same as Gigabyte. 10GB is ten gigabytes.
1024 megabytes. Commonly rounded down to one billion bytes.
In web terms graphics describe pictures (opposite to text).
A display monitor that can display graphics.
A printer that can print graphics.
See Banner Ad.
In web terms: A program helping the browser to display, view, or work with files that the browser cannot handle itself. (See Plug-In).
The number of times a web object (page or picture) has been viewed or downloaded. (See also Page Hits).
The top-level (main) page of a web site. The default page displayed when you visit a web site.
See Web Host.
See Web Hosting.
HTML (Hypertext Markup Language)
HTML is the language of the web. HTML is a set of tags that are used to define the content, layout and the formatting of the web document. Web browsers use the HTML tags to define how to display the text.
A document written in HTML.
HTML DOM (HTML Document Object Model)
A programming interface for HTML documents.
A software program for editing HTML pages. With an HTML editor you can add elements like lists, tables, layout, font size, and colors to a HTML document like using a word processor. An HTML editor will display the page being edited exactly the same way it will be displayed on the web (See WYSIWYG).
A form that passes user input back to the server.
The same as an HTML Document.
Code to identify the different parts of a document so that a web browser will know how to display it.
HTTP (Hyper Text Transfer Protocol)
The standard set of rules for sending text files across the Internet. It requires an HTTP client program at one end, and an HTTP server program at the other end.
A computer program that requests a service from a web server.
A computer program providing services from a web server.
HTTPS (Hyper Text Transfer Protocol Secure)
Same as HTTP but provides secure Internet communication using SSL. (see also SSL)
A pointer to another document. Most often a pointer to another web page. A hyperlink is a synonym for a hotlink or a link, and sometimes called a hypertext connection to another document or web page.
An extension to hypertext to include graphics and audio.
Hypertext is text that is cross-linked to other documents in such a way that the reader can read related documents by clicking on a highlighted word or symbol. (see also hyperlink)
IAB (Internet Architecture Board)
A council that makes decisions about Internet standards. (See also W3C).
IE (Internet Explorer)
See Internet Explorer.
IETF (Internet Engineering Task Force)
A subgroup of IAB that focuses on solving technical problems on the Internet.
IIS (Internet Information Server)
A web server for Windows operating systems. Developed by Microsoft.
IMAP (Internet Message Access Protocol)
A standard communication protocol for retrieving e-mails from an e-mail server. IMAP is much like POP but more advanced.
A codec for computer video developed by Intel.
A world wide network connecting millions of computers. (See also WWW)
See Web Browser.
A browser by Microsoft. The most commonly used browser today.
See Web Server
A private (closed) Internet, running inside a LAN (Local Area Network).
IP (Internet Protocol)
IP Address (Internet Protocol Address)
A unique number identifying every computer on the Internet (like 18.104.22.168)
IP Number (Internet Protocol Number)
Same as an IP address.
See TCP/IP Packet.
IRC (Internet Relay Chat)
An Internet system that enables users to take part in on-line discussions.
A computer program that enables a user to connect to IRC.
An Internet server dedicated to the task of serving IRC connections.
ISAPI (Internet Server API)
Application Programming Interface (See API) for Internet Information Server (See IIS).
ISDN (Integrated Services Digital Network)
A telecommunication standard that uses digital transmission to support data communications over regular telephone lines.
ISP (Internet Service Provider)
Someone that provides access to the Internet and web hosting.
A programming language developed by SUN. Mostly for programming web servers and web applets.
See Web Applet.
The most popular scripting language on the internet, developed by Netscape.
JPEG (Joint Photographic Expert Group)
The organization that promotes the JPG and JPEG graphic formats for storing compressed images.
JPEG and JPG
Graphic formats for storing compressed images.
JSP (Java Server Pages)
A Java based technology allowing the insertion of server executable scripts in web pages. Mostly used on Linux, Unix and Solaris platforms.
Same as kilobyte 10K is ten kilobytes..
Same as kilobyte 10KB is ten kilobytes..
In web terms: A word used by a search engine to search for relevant web information.
In database terms: A word (or index) used to identify a database record.
1024 bytes. Often called 1K, and rounded down to 1000 bytes.
LAN (Local Area Network)
A network between computers in a local area (like inside a building), usually connected via local cables. See also WAN.
The same as a hyperlink.
Open source computer operating system based on Unix. Mostly used on servers and web servers.
In web terms: the same as e-mail.
See e-mail server.