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January 31, 2007

The Information

Images_1The digital age does not count on its fingers

Computers clump zeros and ones into packets of eight called ' Bytes', but  to speak of Kilobytes is an insult to the Binary System. When Ubergeeks talk kilobytes , they are not referring to thousands of the things , but two to the tenth power of them--  32 times 32 is 1024 , not 1000

In 2002 , Roy Williams pointed out that any Richter Scale defining the quantitative impact of Information will err by millions if gigabytes are rounded off to eight billion bits- Yet as this list illustrates, a million isn't what it used to be: 

  • A bit is the information in one coin toss - yes or no, 1 or zero, win or lose.
  • A byte is 8 bits ; 5 bits approximate the information in the letter A.
  • A kilobyte is about one handwritten page.
    • 50  kilobytes: The Constitution of the United States
    • 75 kilobytes:  Executive Summary of new UN global warming report
    • 250 kilobytes: an editorial cartoon
  • A megabyte is  220 bytes
    • 1 megabyte: a rather short novel .
    • 2 megabytes: a sharp color photograph.
    • 5 megabytes: Shakespeare's Works
    • 25 megabytes The actual UN global warming report
    • 100 megabytes: A yard of books.
    • 500 megabytes: a CD
  • A gigabyte is  230 bytes
    •   1 gigabyte : the human genome , or a ton of books.
    • 10 gigabytes: a  BlueRay DVD of The Matrix Trilogy
    • 20 gigabytes: The Complete Mozart in very high fidelity
    • 250 gigabytes: the ground floor of Harvard's Widener Library
  • a terabyte is  240 bytes.
    • ~ 1 terabyte: the sum of all Federal , State and City regulations
    • 2.5 terabytes: Everything in Widener Library.
    • 5 terabytes: every article in every academic journal printed last year.
    • 10 terabytes: The Library of Congress.
    • 40 terabytes: every word in all the hardcover books printed last year
    • 50 terabytes: all of last year's mass market periodicals.
    • 60 terabytes: all the audio CDs sold last year.
    • 150 terabytes: all  the newspapers printed in 2006.
  • A petabyte is ~ 1015 bytes--250 to be exact.
    • 1 petabyte:   last year's global production of office documents.
    • 3 petabytes: all the libraries in America.
    • 10 petabytes: all the film Hollywood ran through its cameras in 2006
    • 400 petabytes: every snapshot taken in 2006
  • An exabyte is  260 bytes . 
    • 2 exabytes: the capacity of all hard disks produced last year
    • 5 exabytes: every word so far spoken.
    • 6 exabytes: the DNA of everyone living
    • 10 exabytes: everything on videotape
  • A zettabyte is the estimated total cell phone pixel capture by the year 2018
  • A yottabyte is how many atoms can dance on the head of a terapin.

Comments

Of course the digital age counts on its fingers! It just counts more effeciently! Imagining each finger as either up or down (on/off), you can store up to five bits of information on one hand.

http://en.wikipedia.org/wiki/Finger_binary

Using that method, it's possible to count to over a thousand on two hands... far better than a mere ten, hmm? :)

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