petabyte definition

  • noun:
    • A unit of computer system memory or data storage capacity equal to 1,024 terabytes (250 bytes).
    • One quadrillion bytes.
    • One quadrillion (1,000,000,000,000,000) bytes. SI image: PB.
    • 1,125,899,906,842,624 bytes or 10245, or 250. This capacity can be expressed unambiguously as a pebibyte. SI expression: PiB, computing representation: PB.
    • a unit of data corresponding to 1000 terabytes or 10^15 bytes
    • a unit of information add up to 1024 tebibytes or 2^50 bytes

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