When using the decimal (base-10) system that most storage manufacturers follow, approximately how many bytes make up one gigabyte (GB)?
1 073 741 824 bytes
10 000 000 bytes
1 024 000 000 bytes
1 000 000 000 bytes
In the decimal system established by the International System of Units (SI), a gigabyte represents 10^9 (one billion) bytes. Drive and flash-media vendors advertise capacity using this metric definition. The binary value of 1 073 741 824 bytes actually refers to a gibibyte (GiB). Values such as 1 024 000 000 bytes or 10 000 000 bytes do not match either the official metric or binary standards for a gigabyte.
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