what is a terabyte

A terabyte (TB) is a unit of digital data that is equal to about 1 trillion bytes. In decimal notation (base 10), a terabyte is exactly 1 trillion bytes. In binary notation, a terabyte is equal to 240 bytes, or 1,099,511,627,776 bytes. It is equivalent to 1,000 gigabytes. One terabyte holds 1000 gigabytes (GB) or a trillion (1,000,000,000,000) bytes, and 1000 terabytes make one petabyte. A terabyte is a significant amount of data and is commonly used for storage capacity or the amount of stored data.