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GB (Gigabyte)

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Definition: A GB (gigabyte) is about 1,000 MB (megabytes), 1 million KB or about 1 billion bytes.

A gigabyte is a method of measuring the size of computer files, including digital photo files, as well as the storage capacity of a memory card. Photos with more detail and image quality are larger files, requiring more computer storage space. Most digital photos require more than 1 MB of storage space.

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