User guide

Viglen LX275 Chassis User Guide
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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.