Viglen VX2000 Chassis User Guide
48
Digital
Pertaining to data in the form of binary digits. Contrasts
with Analogue.
DIN
Deutsche
Industrie
Norm,
specifies major connector types.
DIP
Dual In-Line Package. ICs that have two parallel rows of
connections.
DMA
Direct Memory Access. A method of transferring data
between main storage and I/O devices without processor
intervention.
Disk
See
Floppy
Disk.
DOS or MS-DOS®
Disk Operating System or Microsoft
Disk Operating
System. This is a low-level program that instructs the
computer on basic file handling.#
DRAM
Dynamic RAM. A type of RAM that requires a periodic
refresh to maintain data.
DVD
Digital
Versatile
Disk
EMC
ElectroMagnetic
Compatibility
EMI
ElectroMagnetic
Interference.
EPROM
Erasable Programmable Read-Only Memory.
ESDI
Enhanced Small Device Interface, which specifies a fast
hard disk interface.
FCC
Federal
Communications
Commission.
Firmware
A program that is resident in Read Only Memory (ROM).
Floppy Disk
A storage device consisting of a flexible magnetic disk
inside a protective cover.
G
A symbol used to represent the prefix Giga. i.e. GB (Giga
Byte).
GB
Gigabyte,
represents
1,073,741,824
bytes
(1024MB).
Hard Disk
A disk of rigid magnetic material used for mass storage.