what is gigabyte
Gigabyte (G or GByte) Gigabyte (GB or GByte) is a data measurement unit for digital computer or media storage. One GB equals one billion (1,000,000,000) bytes or one-thousand (1,000) megabytes (MB). One byte contains eight bits comprised of a string of 0s and 1s, which hold 256 values ranging from 0 to 255.