The full form of GB is GigaByte. It is a multiple of a byte. Giga stands for 109 in the International System of Units, so one gigabyte is equal to 1 billion bytes. The term gigabyte is used in various fields such as data science, business, engineering, computing, the data storage capacity of hard drives and tapes, the size of RAM, as well as data transmission speed. A standard for binary prefixes was published by the International Electrotechnical Commission (IEC) in 1998, requiring the gigabyte to denote 10003 bytes.
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