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Glossary
© National Instruments Corporation
G-3
E
efficiency
Ratio of output power to input power, expressed as a percentage.
EIA
Electronic Industries Association.
EMC
Electromagnetic Compatibility.
EMI
Electromagnetic Interference.
F
FCC
Federal Communications Commission.
filler panel
A blank module front panel used to fill empty slots in the chassis.
G
g
(1) grams; (2) a measure of acceleration equal to 9.8 m/s
2
.
GPIB
General Purpose Interface Bus (IEEE 488).
g
RMS
A measure of random vibration. The root mean square of acceleration 
levels in a random vibration test profile.
H
hr
Hours.
Hz
Hertz; cycles per second.
I
IEC
International Electrotechnical Commission; an organization that sets 
international electrical and electronics standards.
IEEE
Institute of Electrical and Electronics Engineers.
I
MP
Mainframe peak current.