User guide

Viglen IX2000 Chassis User Guide
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Hardware The physical equipment which makes up the computer
system.
Hertz (Hz) A unit of measurement of frequency amounting to one
cycle per second.
Hex Hexadecimal. Base-16 mathematics.
IC Integrated Circuit.
Icon A graphical symbol.
IDE Integrated device interface. An AT bus specification for a
fast hard disk.
IEC International Electrotechnical Commission. Specifies
standards of safety.
I/O Input/Output. Refers to data being sent to or received
from a computer.
K Symbol used to represent Kilobyte which is 1024 bytes.
KB Abbreviation for Kilobyte, i.e. 1024 bytes.
Kb Abbreviation for Kilo bit, i.e. 1024 bits.
Keylock A locking device which can deactivate a keyboard.
KHz KiloHertz. 1000 Hertz.
LIM Lotus/Intel/ Microsoft

Expanded Memory Manager
specification.
LED Light Emitting Diode. These are normally used as the lights
on a computers front panel.
LPT1, LPT2, LPT3 Names given to the printer ports by DOS.
M Prefix mega. Equivalent to 1024K.
mA Milliampere. 0.001 Ampere.
MB Abbreviation for Mega Byte i.e. 1024K Bytes.