Megahertz , A million cycles of electromagnetic currency alternation per second and is used as a unit of measure for the "clock speed" of computer microprocessors.


Musical Instrument Digital Interface , A network and accompanying protocol developed in the 1970's for transmitting various information between musical and other devices including keyboards,...


Multipurpose Internet Mail Extensions , The standard for attaching non-text files to standard Internet mail messages. Non-text files include graphics, spreadsheets, formatted word-processor...

 MIME type

Multipurpose Internet Mail Extensions type , A method used by Web browsers to associate files of a certain type with helper applications that display files of that type.


Mud, Object Oriented , One of several kinds of multi-user role-playing environments, so far only text-based.


Multi-User Dungeon or Dimension , A (usually text-based) multi-user simulation environment.Some are purely for fun and flirting, others are used for serious software development, or education...


Multi-User Simulated Environment , One kind of MUD - usually with little or no violence.

 MX Record

Mail Exchange record is part of the zone file and is used to designate which mail server machine should process email for a specific domain.


A (usually automated) system that allows people to send e-mail to one address, whereupon their message is copied and sent to all of the other subscribers to the maillist. In this way, people who...


The Internet protocol that is used to send electronic mail.


An open-source server-based mailing list system, sometimes called a "reflector" or "list server" (ListServ is actually a similar product) because any message sent by a member to the list is re-sent...


A region on a page that displays a horizontally scrolling message.

 Max Processes

The maximum number of simultaneous processes that can run on a domain or server.

 Max Users

The maximum number of simultaneous users on a domain or server.


In data communications, a megabyte is one million bytes (1,048,576 bytes to be exact). Byte - a group of eight binary digits processed as a unit by a computer and used especially to represent an...

 Memory Quota

The amount of memory assigned to a user.

 Menu list

A list of short paragraph entries formatted with little white space between them.

 Meta tag

An HTML tag that must appear in the portion of the page.Meta tags supply information about the page but do not affect its display.A standard meta tag, "generator," is used to supply the type of...


Generally speaking, 'to mirror' is to maintain an exact copy of something. Probably the most common use of the term on the Internet refers to 'mirror sites' which are web sites, or FTP sites that...


MOdulator, DEModulator a device that translates the digital information from your computer into analogue signals that can be passed down an ordinary telephone line. This allows one computer to...

 Modify (Domain Name)

The database that the TLD registries maintain need to be accurate in order for name resolution, billing, renewal notices and public records to be processed correctly.Typically modifications are...


The first WWW browser that was available for the Macintosh, Windows, and UNIX all with the same interface. Mosaic really started the popularity of the Web. The source-code to Mosaic has been...


The ability of a Web server to support more than one Internet address and more than one home page on a single server. Also called multihoming.


A true multi-user, multi-threaded SQL (Structured Query Language) database server.SQL is the most popular database language in the world.MySQL is a client/server implementation that consists of a...

 MySQL Database Server

A widely used relational database management system for SQL databases. A relational database stores data in separate tables rather than in one big table. A database management system allows you to...