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yottabyte, Ybyte, or YB: A unit of measurement for 280 (approximately) 1,000,000,000,000,000,000,000,000 bytes, 1,000,000,000,000,000,000,000 kilobytes, 1,000,000,000,000,000,000 megabytes, 1,000,000,000,000,000 gigabytes, 1,000,000,000,000 terabytes, 1,000,000,000 petabytes, 1,000,000 exabytes, or 1,000 zettabytes. (See also: bit, byte, exabyte, gigabyte, kilobyte, megabyte, petabyte, terabyte, zettabyte.)
yottabyte, Ybyte, or YB: A unit of measurement for 280 (approximately) 1,000,000,000,000,000,000,000,000 bytes, 1,000,000,000,000,000,000,000 kilobytes, 1,000,000,000,000,000,000 megabytes, 1,000,000,000,000,000 gigabytes, 1,000,000,000,000 terabytes, 1,000,000,000 petabytes, 1,000,000 exabytes, or 1,000 zettabytes. (See also: bit, byte, exabyte, gigabyte, kilobyte, megabyte, petabyte, terabyte, zettabyte.)