Glossary
LabWindows/CVI Standard Libraries G-4 © National Instruments Corporation
G
G gain The factor by which a signal is amplified, sometimes expressed in decibels.
gender Refers to cable connector types. A male connector is one with protruding
pins, like a lamp plug. A female connector has holes, like an outlet.
gender changer A small device that can be attached to serial cable connectors or PC
sockets, among others, to convert a female connector into a male, or a male
connector into a female.
GPIB General Purpose Interface Bus is the common name for the
communications interface system defined in ANSI/IEEE Standards
488.1-1987 and 488.2-1992.
group A collection of digital ports, combined to form a larger entity for digital
input and/or output.
H
handshaking Prevents overflow of the input queue that occurs when the receiver is
unable to empty its input queue as quickly as the sender is able to fill it.
The RS-232 Library has two types of handshaking–software handshaking,
and hardware handshaking. You should enable one or the other if you want
to ensure that your application program synchronizes its data transfers with
other serial devices that perform handshaking.
Hz Hertz.
I
I/O Input/output.
ID Identification.
IEEE Institute of Electrical and Electronics Engineers.
in. Inches.
Instrument Library A LabWindows/CVI library that contains instrument drivers.
interrupt A computer signal indicating that the CPU should suspend its current task
to service a designated activity.