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whatbinary

# whatbinary - Lecture 5 How does a computer represent...

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Lecture 5 How does a computer represent everything using just zeros and ones?

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Once you know binary…
You can write great jokes There are 10 kinds of people in the world, those who know binary and those who do not!

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Use cool clocks http://www.thinkgeek .com/homeoffice/lights/59e0/
Play great games http://forums.cisco. com/CertCom/game/binary_game_page. htm

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More importantly… …you can start to figure out how the computer represents all the things it needs to do and remember using only zeros and ones.
Computer must reduce everything to 0’s and 1’s A zero or a one by itself is called a bit. How many bits a computer is allowed to use determines how many unique things it can remember. 1 bit = Computer can remember 2 unique things The 2 nd column in base 2 is 2. 2 bits = Computer can remember 4 unique things The 3 rd column in base 2 is 4 3 bits = Computer can remember 8 unique things The 4 th column in base 2 is 8 4 bits = Computer can remember 16 unique things The 5 th column in base 2 is 16 Etc.

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whatbinary - Lecture 5 How does a computer represent...

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