# Byte, KB, MB, GB, TB, PB, EB, ZB, YB, DB, NB What do you know?

Source: Internet
Author: User
The smallest base unit is byte. Not many people do not know, the following first in order to give all units
Byte, KB, MB, GB, TB, PB, EB, ZB, YB, DB, NB
I only know the top five, and most people know that, according to the rate of 1024 calculation
40 1tb=2 byte=1099511627776 Byte of the second order
1pb=2 's 50-time Square Byte=1125899906842624byte
60 1eb=2 byte= 1152921504606846976 Byte of the second order
70 1zb=2 byte= 1180591620717411303424 Byte of the second order
80 1yb=2 byte= 1208925819614629174706176 Byte of the second order
90 1db=2 byte= 1237940039285380274899124224 Byte of the second order
100 1nb=2 byte= 1267650600228229401496703205376 Byte of the second order
In the calculation of the time, found that XP's own calculator is no way to forget, not to put down a calculator, sweating
Just look at these numbers you do not have a feeling, and now even a good imagine it, take NB as an example (why is called NB, it can be used in this unit of the place is very NB.) ）
is about to step into the TB era, and now the standard weight of 1TB hard disk is 670g (pretty much)
1nb=2 's 60 tb=1152921504606846976tb=1152921504606846976 1TB hard Drive
With a total weight of about 772,457,408,090,000 tons, the largest ship, Knox, has a weight of 560,000 tons.
That is to say, the hard drive that stores 1NB of data is the minimum of 1 379 388 229 times, about 1.4 billion times, to bring the data to the site, and an estimated 1000 Knorr-vis will be shipped for reimbursement.
Now understand the concept of 1NB, it is not worthy of NB, human development so many years to TB storage era, do not know before the world is destroyed, can develop to NB era ... Byte, KB, MB, GB, TB, PB, EB, ZB, YB, DB, NB

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