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is a multiple of the unit bit
A bit is the basic unit of information in computing and telecommunications; it is the amount of information stored by a digital device or other physical system that exists in one of two possible distinct states...
for digital information
Information in its most restricted technical sense is a message or collection of messages that consists of an ordered sequence of symbols, or it is the meaning that can be interpreted from such a message or collection of messages. Information can be recorded or transmitted. It can be recorded as...
or computer storage
Computer data storage, often called storage or memory, refers to computer components and recording media that retain digital data. Data storage is one of the core functions and fundamental components of computers....
. The prefix tera (symbol T) is defined in the International System of Units
The International System of Units is the modern form of the metric system and is generally a system of units of measurement devised around seven base units and the convenience of the number ten. The older metric system included several groups of units...
(SI) as a multiplier of 1012
(1 trillion, short scale), and therefore
- 1 terabit = = = 1000 gigabit
The gigabit is a multiple of the unit bit for digital information or computer storage. The prefix giga is defined in the International System of Units as a multiplier of 109 , and therefore...
The terabit has the unit symbol Tbit
The terabit is closely related to the tebibit
The tebibit is a multiple of the bit, a unit of digital information storage, prefixed by the standards-based multiplier tebi , a binary prefix meaning 240...
, a unit multiple derived from the binary prefix
In computing, a binary prefix is a specifier or mnemonic that is prepended to the units of digital information, the bit and the byte, to indicate multiplication by a power of 2...
tebi of the same order of magnitude, which is equal to = , or approximately 10% larger than the terabit.