Question: what is zb in data?
Answer: The zettabyte is a multiple of the unit byte for digital information. ... A zettabyte is one sextillion (one long scale trilliard) bytes. The unit symbol is ZB. 1 ZB = 10007bytes = 1021bytes = 1000000000000000000000bytes = 1000exabytes = 1millionpetabytes = 1billionterabytes = 1trilliongigabytes.