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 RadioShack Consumer Electronics Glossary: K

K
Electronics: The symbol for cathode.
Measurement (prefix): see kilo- (k-).
Measurement (temperature): see Kelvin (K).
 
K-band
Radar Detectors: A frequency band that extends approximately from 10.9 GHz to 36 GHz.
 
Ka-band
Radar Detectors: A frequency band that extends approximately from 27 GHz to 40 GHz.
Satellite: A frequency band that extends approximately from 18 GHz to 20 GHz.
 
kB
Acronym: kiloByte
Computer, Measurement: A unit of measurement of data storage equal to 1024 bytes.
 
kb
Acronym: kilobit
Computer, Measurement: A unit of measurement equal to either 1,000 bits (data transfer) or 1,024 bits (data storage).
 
kBps
Acronym: kiloBytes per second
Audio, Measurement: A measurement equal to 1,000 BPS, used to judge the size of an audio file. For example, an uncompressed audio file format such as WAV is measured at 1411 kbps, and MP3 encoding reduces this size to about 1/10 (actual amount of compression varies depending on the user settings when the file is encoded).
 
kbps
Acronym: kilobits per second
Computer, Data Transfer: A measurement of data transfer speed equal to 1,000 bits per second, used to describe the speed of data flow in a digital signal.
 
Kelvin
Weather: A temperature scale with the freezing point of +273°K (Kelvin) and the boiling point of +373° K. It is used primarily for scientific purposes. Also known as absolute temperature . Proposed in 1848 by William T. Kelvin, 1st Baron of Largs (1824-1907), Irish-born Scottish physicist and mathematician.
 
Kevlar®
Audio: A cloth material used in cone construction. It results in a much higher stiffness in the cone and provides an extended frequency response. It has a much higher resistance to damage from direct light and heat. Kevlar® is a registered trademark of E.I. du Pont de Nemours and Company.
 
Keyer
Communications: A device for generating morse code pulses.
 
kibi- (Ki-)
Measurement, Computers: New SI / Metric unit of binary measurement, not yet fully adopted, equal to 210 or 1, 024.
 
kilo- (k-)
Measurement: SI / Metric unit of decimal measurement, equal to 103 or 1,000.
Measurement, Computers: Unit of binary measurement, equal to 210 or 1,024.
 
Kilobaud: see kbps.
 
Kilobit: see kb.
 
Kilobyte: see kB.
 
Kilohertz: see kHz.
 
Knot
Weather: a nautical unit of speed equal to the velocity at which one nautical mile is traveled in one hour. Used primarily by marine interests and in weather observations. A knot is equivalent to 1.151 statute miles per hour or 1.852 kilometers per hour.
 
Ku-band
Communications: Specifically refers to the frequencies from 12 GHz to 14 GHz.
Radar Detectors: A frequency band that extends approximately from 12 GHz to 18 GHz.
Satellite: A frequency band that extends approximately from 10.9 GHz to 11.75 GHz (Ku1), 11.75 GHz to 12.5 GHz (Ku2), and 12.5 GHz to 12.75 GHz (Ku3). This term is also used to describe DTH satellite antennas, which receive the frequencies from 11.7 GHz to 12.2 GHz.
 
kHz
Acronym: kiloHertz
Electronics, Measurement: A measurement of frequency equal to 1000 cycles per second, or 1000 Hz.

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