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5.8 GHz: Electromagnetic – cordless telephone frequency introduced in 2003 10 10: 10 GHz: 3 GHz to 30 GHz: Electromagnetic – super high frequency: 60 GHz: Electromagnetic – 60 GHz Wi-Fi (WiGig) introduced in 2010 10 11: 100 GHz 160.2 GHz: Electromagnetic – peak of cosmic microwave background radiation: 845 GHz: Fastest transistor ...
On March 6, 2000, AMD demonstrated passing the 1 GHz milestone a few days ahead of Intel shipping 1 GHz in systems. In 2002, an Intel Pentium 4 model was introduced as the first CPU with a clock rate of 3 GHz (three billion cycles per second corresponding to ~ 0.33 nanoseconds per cycle). Since then, the clock rate of production processors has ...
Bandwidth in hertz is a central concept in many fields, including electronics, information theory, digital communications, radio communications, signal processing, and spectroscopy and is one of the determinants of the capacity of a given communication channel.
Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time. [1] It is also occasionally referred to as temporal frequency for clarity and to distinguish it from spatial frequency.
Extremely high frequency (EHF) is the International Telecommunication Union designation for the band of radio frequencies in the electromagnetic spectrum from 30 to 300 gigahertz (GHz). [1] [2] It is in the microwave part of the radio spectrum, between the super high frequency band and the terahertz band.
These have modern equivalents such as kilohertz (kHz), megahertz (MHz), and gigahertz (GHz). Following the introduction of the SI standard, use of these terms began to fall off in favor of the new unit, with hertz becoming the dominant convention in both academic and colloquial speech by the 1970s. [5]
gigahertz—clock rate of a CPU, for instance, 3 GHz = 3 000 000 000 Hz; gigabit—bandwidth of a network link, for instance, 1 Gbit/s = 1 000 000 000 bit/s. gigabyte—for instance, for hard disk capacity, 120 GB = 120 000 000 000 bytes; gigayear or gigaannum—one billion (10 9) years, sometimes abbreviated Gyr, but the preferred usage is Ga ...
The 80-core chip can raise this result to 2 teraFLOPS at 6.26 GHz, although the thermal dissipation at this frequency exceeds 190 watts. [ 40 ] In June 2007, Top500.org reported the fastest computer in the world to be the IBM Blue Gene/L supercomputer, measuring a peak of 596 teraFLOPS. [ 41 ]