Glossary
G-4
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g
RMS
A measure of random vibration. The root mean square of acceleration
levels in a random vibration test profile.
H
hex
Hexadecimal—The numbering system with base 16, using the digits
0 to 9 and letters A to F.
host board
The MXI-Express x1 board of a cabled pair of boards that is closer to
the CPU.
host PC
A host computer with a PCI or PCI Express x1 or wider slot type
available.
hr
Hours.
Hz
Hertz; cycles per second.
I
I/O
Input/output—The techniques, media, and devices used to achieve
communication between machines and users.
IEC
International Electrotechnical Commission. The IEC publishes
internationally recognized standards. IEC 60068 contains information
on environmental testing procedures and severities.
IEEE
Institute of Electrical and Electronics Engineers.
in.
Inches.
instrument driver
A set of routines designed to control a specific instrument or family of
instruments.
K
K
Kilo—The prefix for 1,024, or 2
10
, used with B (byte) in quantifying
data or computer memory.
k
Kilo—The standard metric prefix for 1,000, or 10
3
, used with units of
measure such as volts, hertz, and meters.
