What does PB stand for in storage terms?

Question

What does PB stand for in storage terms?

Answer

This question was answered on March 24, 2004. Much of the information contained herein may have changed since posting.

PB, which stands for PetaByte is a measure of memory or storage capacity and is 2 to the 50th power bytes in size. One PetaByte is roughly 100,000 GigaBytes. The breakdown of the "Byte" system is as follows:

B = 1 Byte = 8 bits

KB = KiloByte = 2 to the 10th power = 1,024 bytes

MB = MegaByte = 2 to the 20th = 1,048,576 bytes

GB = GigaByte = 2 to the 30th = 1,073,741,824 bytes

TB = TeraByte = 2 to the 40th = 1,099,511,627,776 bytes

PB = PetaByte = 2 to the 50th = 1,125,899,906,842,624 bytes

EB = ExaByte = 2 to the 60th = 1,152,921,504,606,846,976 bytes

ZB = ZettaByte = 2 to the 70th = 1,180,591,620,717,411,303,424 bytes

YB = YottaByte = 2 to the 80th = 1,208,925,819,614,629,174,706,176 bytes

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Posted by Student of Katharine Gibbs School - New York on March 24, 2004