What is "terabit"

n. 1 (context computing English) One trillion (10¹² = 1,000,000,000,000) bit, as opposed to a tebibit. Symbol: Tb. 2 (context computing colloquial English) 2⁴⁰ bits, a tebibit (Tib). Symbol: Tb

A terabit is a multiple of the unit bit for digital information or computer storage. The prefix tera (symbol T) is defined in the International System of Units (SI) as a multiplier of 10 (1 trillion, short scale), and therefore

The terabit has the unit symbol Tbit or Tb.

The terabit is closely related to the tebibit, a unit multiple derived from the binary prefix tebi of the same order of magnitude, which is equal to = , or approximately 10% larger than the terabit.