Monday, July 04, 2011

M....


*       Macro
A script that operates a series of commands to perform a function. It is set up to automate repetitive tasks.

*       Mac OS
An operating system with a graphical user interface, developed by Apple. for Macintosh. computers. Current System .X.1. (10) combines the traditional Mac interface with a strong underlying UNIX. operating system for increased performance and stability.

*       Megabyte (MB)
Equal to 1,048,576 bytes, usually rounded off to one million bytes (also called a .meg.).

*       Memory
Temporary storage for information, including applications and documents. The information must be stored to a permanent device, such as a hard disc or CD-ROM before the power is turned off, or the information will be lost. Computer memory is measured in terms of the amount of information it can store, commonly in megabytes or gigabytes.

*       Menu
A context-related list of options that users can choose from.

*       Menu bar
The horizontal strip across the top of an application's window. Each word on the strip has a context sensitive drop-down menu containing features and actions that are available for the application in use.

*       Merge
To combine two or more files into a single file.

*       MHz
An abbreviation for Megahertz, or one million hertz. One MHz represents one million clock cycles per second and is the measure of a computer microprocessor's speed. For example, a microprocessor that runs at 300 MHz executes 300 million cycles per second. Each instruction a computer receives takes a fixed number of clock cycles to carry out, therefore the more cycles a computer can execute per second, the faster its programs run. Megahertz is also a unit of measure for bandwidth.

*       Microprocessor
A complete central processing unit (CPU) contained on a single silicon chip.


*       Minimize
A term used in a GUI operating system that uses windows. It refers to reducing a window to an icon, or a label at the bottom of the screen, allowing another window to be viewed.

*       Modem
A device that connects two computers together over a telephone or cable line by converting the computer's data into an audio signal. Modem is a contraction for the process it performs: modulate-demodulate.

*       Monitor
A video display terminal.

*       Mouse
A small hand-held device, similar to a trackball, used to control the position of the cursor on the video display; movements of the mouse on a desktop correspond to movements of the cursor on the screen.

*       MP3
Compact audio and video file format. The small size of the files makes them easy to download and e-mail. Format used in portable playback devices.

*       Multimedia
Software programs that combine text and graphics with sound, video, and animation. A multimedia PC contains the hardware to support these capabilities.

*       MS-DOS
An early operating system developed by Microsoft Corporation (Microsoft Disc Operating System).

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