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V1.0 Vig625M Motherboard Manual
56
Chapter 6: Glossary
BIOS
(Basic Input Output System) This is software stored on a chip and consists of the
instructions necessary for the computer to function. The System BIOS contains the
instructions for the keyboard, disk drives etc., and the VGA BIOS controls the VGA
graphics card.
CPU
Central Processing Unit. This is the main piece of equipment on the motherboard. The
CPU processes data, tells memory what to store and the video card what to display.
Default
The configuration of the system when it is switched on or the standard settings before
any changes are made.
DIMM
Dual In-Line Memory Module, a type of memory module used for the systems main
memory.
Driver
A piece of software which is used by application software to control some special
features. Each graphics board and printer requires its own driver.
D-Type
A common type of connector used for connecting printers, serial ports, game port, and
many other types of interface.
DRAM
Dynamic Ram used for main system memory, providing a moderately fast but cheap
storage solution.
FDC
Floppy Disk Controller - the interface for connecting floppy disk drives to the computer.
Hercules
A monochrome graphics video mode which first appeared in the Hercules graphics card.
Provides a resolution of 720 by 348 pixels.
IDE
Integrated Drive Electronics - currently the most popular type of interface for hard disk
drives. Much of the circuitry previously required on hard disk controller cards is now
integrated on the hard disk itself.
Interface
The electronics providing a connection between two pieces of equipment. For example, a
printer interface connects a computer to a printer.
Interlace
The mode the graphics card uses to refresh a monitor screen. When the graphics is in
interlace mode, the frequency of the display update is lower than in non-interlace mode.