Tera, TERA may refer to:

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Electronics [link]

  • Tera (demogroup), an Australian software production group
  • TERA, a type of network connector
  • Tera Computer Company, a company specialized in high-performance computing software and hardware
  • TERA, also known as The Exiled Realm of Arborea is a 3D fantasy themed MMORPG created by Bluehole Studio and published by En Masse Entertainment.
  • Trylogy Emergency Response Application, or TERA, is an emergency communication system that works with GSM phone operators to provide emergency two-way SMS communications for the ICRC ([1])

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See also [link]


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Tera-

Tera is a unit prefix in the metric system denoting multiplication by 1012 or 1000000000000 (one trillion short scale; one billion long scale). It has the symbol T. Tera is derived from Greek word τέρας teras, meaning "monster". The prefix tera- was confirmed for use in the SI in 1960.

Examples of its use:

  • terahertz radiation: electromagnetic waves within the band of frequencies from 0.3 to 3 THz
  • terabit, tebibit, terabyte and tebibyte, units used in data storage.
  • teragram: equal to 109 kg. The Great Pyramid of Giza has a mass of about 6 Tg.
  • terasecond: approximately 31,558 years
  • teralitre: equal to 109 m3. Lake Zurich contains about 4 TL of water.
  • terawatt: used to measure total human energy consumption. In 2010 it was 16 TW.
  • terametre (= 1,000,000,000 km): Light travels 1.079 Tm in one hour.
  • The metric system was introduced in 1795 with several metric prefixes, of which, however, only six were adopted as SI prefixes by the 11th CGPM conference in 1960, whereas myria (104) as well as double and demi were not adopted. In 1873, micro and mega were recommended by the British Association for the Advancement of Science. The other dates relate to recognition by a resolution of the CGPM.
  • Binary prefix

    A binary prefix is a prefix attached before a unit symbol to multiply it by a power of 2. In computing, such a prefix is seen in combination with a unit of information (bit, byte, etc.), to indicate a power of 1024.

    The computer industry has historically used the units kilobyte, megabyte, and gigabyte, and the corresponding symbols KB, MB, and GB, in at least two slightly different measurement systems. In citations of main memory (RAM) capacity, gigabyte customarily means 1073741824 bytes. As this is the third power of 1024, and 1024 is a power of two (210), this usage is referred to as a binary prefix.

    In most other contexts, the industry uses the multipliers kilo, mega, giga, etc., in a manner consistent with their meaning in the International System of Units (SI), namely as powers of 1000. For example, a 500 gigabyte hard disk holds 500000000000 bytes, and a 100-megabit-per-second Ethernet connection transfers data at 100000000 bit/s. In contrast with the binary prefix usage, this use is described as a decimal prefix, as 1000 is a power of 10 (103).

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