G Hear it!

G definition - telecom
  1. (Giga). From the Greek gigas, meaning giant, translates to billion.
  2. In transmission systems and internal computer busses, GHz (GigaHertz) is a billion (10 9 ) Hertz and Gbps (Gigabit per second) is a billion (10 9 ) bits per second. In transmission systems, therefore, a billion is exactly 1,000,000,000 since the measurement is based on a base 10, or decimal, number system.
  3. Hard disks and flash drives measure computer storage in SI units, which also are based on the base 10, or decimal, system, so GB is one billion (10 9 ) bytes, or 1,000,000,000 bytes.
  4. Internal computer memory is based on a base 2, or binary, number system. A GB of internal memory, therefore is 1,073,741,824 (2 30 ) bytes. The term GB comes from the fact that 1,073,741,824 is nominally, or approximately, 1,000,000,000. See also byte, Hertz, and SI.
  5. G. The G series of ITU-T Recommendations.The G series addresses transmission systems and media, digital systems and networks. See G series.
G definition - telecom

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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