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 RadioShack Consumer Electronics Glossary: X

 
X
Electronics: The symbol for reactance.
 
X-10
Plug 'n Power: A communications language that allows compatible devices to communicate with each other using the existing electrical wiring of a building. 
 
X.25
Telephony: A communications protocol for packet-switched data.
 
X-band
Radar Detectors: The frequency band between 5.2 GHz to 10.9 GHz.
 
XGA
Acronym: eXtended Graphics Array
Digital Video: An image resolution of 1024 x 768 pixels.
 
XLR
Acronym: XLR is not an acronym. It is a generic term for a three-pin balanced microphone connector, the design of which is based on ITT Cannon's 3-pin circular connectors (that had the prefix of "XLR-").
Audio: A connector type used in balanced audio hookups to connect microphones to PA amplifiers, mixers or extension cords. Click here for illustration.
 
Xmag
Audio: The maximum linear travel of the cone in one direction, based on the magnetic limitations of the motor.
 
Xsus
Audio: The maximum linear travel of the cone in one direction, based on the mechanical limitations of the suspension.
 
Xmax
Audio: The maximum linear travel of the cone in one direction, derived as the shorter of the Xmag and Xsus parameters.
 
XNOR
Acronym: eXclusive-NOR
Electronics: An XOR logic gate followed by a NOT gate. It outputs "False" when only one of the inputs is "True"; otherwise, the output is "True".
 
XOR
Acronym: eXclusive-OR
Electronics: A logic gate that outputs "True" when only one of the inputs are "True"; if both inputs are "True" or both inputs are "False", the output is "False".

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