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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.
MIDIMusical Instrument Digital Interface , A network and accompanying protocol developed in the 1970's for transmitting various information between musical and other devices including keyboards,...
MIMEMultipurpose 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 typeMultipurpose 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.
MOOMud, Object Oriented , One of several kinds of multi-user role-playing environments, so far only text-based.
MUDMulti-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...
MUSEMulti-User Simulated Environment , One kind of MUD - usually with little or no violence.
MX RecordMail Exchange record is part of the zone file and is used to designate which mail server machine should process email for a specific domain.
MaillistA (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...
MailtoThe Internet protocol that is used to send electronic mail.
MajordomoAn 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...
MarqueeA region on a page that displays a horizontally scrolling message.
Max ProcessesThe maximum number of simultaneous processes that can run on a domain or server.
Max UsersThe maximum number of simultaneous users on a domain or server.
MegabyteIn 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 QuotaThe amount of memory assigned to a user.
Menu listA list of short paragraph entries formatted with little white space between them.
Meta tagAn 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...
MirrorGenerally 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...
ModemMOdulator, 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...
MosaicThe 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...
MultihostingThe 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.
MySQLA 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 ServerA 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...