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- 1,000,000,000,000,000,000 bytes - 10006, or 1018.
- 1,152,921,504,606,846,976 bytes - 10246, or 260. This capacity may be expressed unambiguously as an exbibyte.
As of 2004, exabytes of data are almost never encountered in a practical context. For example, the total amount of printed material in the world is estimated to be around a fifth of an exabyte. However, one may hear of 16 exabytes (exbibytes) of address space when discussing 64-bit architectures.
Exabyte is also the name of a company that manufacturers computer data backup products. Exabyte Corporation is based in Boulder, Colorado.
As of February 2005, no one has made a tape capable of holding a full exabyte.
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