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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 2 40 bytes, or 1,099,511,627,776 bytes. The terabyte is typically used as a measure for storage capacity or the amount of stored data.
A terabyte is 10 12 or 1,000,000,000,000 bytes and is abbreviated as “TB”. 1 TB is technically 1 trillion bytes, therefore, terabytes and tebibytes are used synonymously, which contains exactly 1, 099, 511, 627, 776 bytes (1, 024 GB) (2 40).
What does one terabyte actually mean in the real world? These are all things you need to know before you buy a hard drive or memory card, choose a tablet based on the memory it has, etc.
A terabyte is equal to 1,024 gigabytes (GB), which itself is equal to 1,024 megabytes (MB), while a megabyte is equivalent to 1,024 kilobytes. All storage measuring units -- kilobyte, megabyte, terabyte, gigabyte, petabyte, exabyte and so on -- are multiples of a byte.
What Does Terabyte Mean? A terabyte (TB) is a unit of digital information storage used to denote the size of data. It is equivalent to 1,000 gigabytes, or 1,000,000,000,000 bytes, using the SI standard.
Terabytes (TB) Petabytes (PB) Exabytes (EB) You've no doubt heard the terms gigabytes, terabytes, or petabytes thrown around before, but what exactly do they mean in terms of real-world storage? Let's take a closer look at storage sizes. Words like byte, megabyte, gigabyte, and petabyte all refer to amounts of digital storage.
Remember that moving to a terabyte (TB) simply ups the value by another power of 1,000. Thus, there are 1,000 gigabytes in a terabyte, and a terabyte is equal to a trillion bytes. We mentioned earlier that a basic CD holds about 700MB and a DVD holds roughly 4.7GB.
One terabyte (abbreviated "TB") is equal to 1,000 gigabytes and precedes the petabyte unit of measurement. While a terabyte is exactly 1 trillion bytes, in some cases terabytes and tebibytes are used synonymously, though a tebibyte actually contains 1,099,511,627,776 bytes (1,024 gibibytes).
That means 1 terabyte (TB) is 1024 gigabytes. Most modern hard drives store half of this amount of data. A terabyte, a trillion bytes, is a lot of information. In recent years, manufacturers have started releasing new computers with a one or two terabyte drives.
A tbyte, terabyte, or TB equals 1,099,511,627,776 (2 40) bytes. However, the IEC (International Electrotechnical Commission) defines a TB equals 1,000,000,000,000 (10 12) bytes. Therefore, a TB could be equal to either of these values. When the "b" is lowercase (Tb), this refers to a terabit.