GigaHertz - meaning and definition. What is GigaHertz
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What (who) is GigaHertz - definition

SI UNIT OF FREQUENCY
Hz; MHz; Kilohertz; KHz; Mhz; 1 E3 Hz; Gigahertz; GHz; Petahertz; Exahertz; KHZ; MHZ; Zettahertz; Yottahertz; EHz; PHz; ㎐; ㎑; ㎒; ㎓; ㎔; Gihz; Khz; DaHz; MegaHertz; Picohertz; Femtohertz; Attohertz; Yoctohertz; Zeptohertz; Nanohertz; Microhertz; Millihertz; Decahertz; Decihertz; Centihertz; Hectohertz; Tetrahertz; ZHz; Megacycles; 10,000 hertz; Hertz (unit); Hertez; Khertz; Megahertz; Hertz (frequency); Terahertz (unit); Hertz unit; Ronnahertz; Quettahertz; Rontohertz; Quectohertz
  • A [[sine wave]] with varying frequency
  • sinusoidal]] periodic phenomenon that may be analyzed in terms of frequency. Two cycles are illustrated.

gigahertz         
(abbrev.: GHz or gHz)
¦ noun a measure of frequency equivalent to one thousand million (109) cycles per second.
GigaHertz         
<unit> (GHz) Billions of cycles per second. The unit of frequency used to measure the clock rate of modern digital logic, including microprocessors. (2001-05-14)
kHz         
kilohertz

Wikipedia

Hertz

The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one hertz is the reciprocal of one second. It is named after Heinrich Rudolf Hertz (1857–1894), the first person to provide conclusive proof of the existence of electromagnetic waves. Hertz are commonly expressed in multiples: kilohertz (kHz), megahertz (MHz), gigahertz (GHz), terahertz (THz).

Some of the unit's most common uses are in the description of periodic waveforms and musical tones, particularly those used in radio- and audio-related applications. It is also used to describe the clock speeds at which computers and other electronics are driven. The units are sometimes also used as a representation of the energy of a photon, via the Planck relation E = , where E is the photon's energy, ν is its frequency, and h is the Planck constant.

Examples of use of GigaHertz
1. Power6 is expected to run between 4 and 5 gigahertz.
2. Intel Corp‘s Itanium 2 server processor today tops out at 1.66 gigahertz.
3. The Pentium 4 for desktops currently reaches speeds of 3.8 gigahertz.
4. X–band radar, so named because it operates at a frequency of 10 gigahertz, provides surveillance, acquisition, tracking and kill assessment for missile defense systems.
5. If they are situated in frequency ranges above 1 Gigahertz, the signal has trouble penetrating buildings and other obstacles, or travelling over distances longer than a few miles.