| Term |
Description |
MSDOS.SYS |
One
of the system files in the MS-DOS Operating System. A hidden
file in the root directory, sometimes called the kernal for
DOS. When an application needs to access a device or peripheral,
this file translates the request into actions that IO.SYS
can perform. |
Motherboard |
The
printed circuit board in a computer that contains the CPU,
Chipset, expansion slots, memory and device controllers. Sometimes
called the System Board, Main Board, Planar Board or Logic
Board. |
Monitor |
The
most commonly used output device for displaying text and graphics
from a computer. CRTs (Cathode Ray Tubes) are the most common.
LCDs (Liquid Crystal Displays) are used on laptops and are
available for desktop systems. |
Menu
Bar |
When
a window is open, the Menu Bar is just below the Title Bar
and displays the names of an applications pull down menus
that provide access to the different functions and features
of that particular program. |
Megahertz |
Abbreviated
MHz, a system's clock speed is measured in Megahertz or millions
of cycles per second. The speed of computer devices or chips
associated or synchronized with the system clock will be measured
in MHz. e.g.: CPUs and system Bus. |
Megabyte` |
Abbreviated
MB, a megabyte is equal to 1024 Kilobytes, or 1,048,576 bytes.
A computer systems memory is measured in megabytes. |
Macro |
A
series of commands, keyboard or mouse actions that are recorded
and performed automatically when a certain key is pressed
or a certain command is entered. |
MMX |
An
enhancement to the Pentium Processor that added instructions
meant to speed up the I/O needed for sound, graphics and animation
or video. |
MBR |
Master
Boot Record: When a hard drive is partitioned, the Master
Boot Record is written to the first sector on the hard drive.
It contains the Partition Table and other information needed
by the BIOS to access the hard drive. |
