The Binary Code with Danica McKellarwww.youtube.comJoin host Danica McKellar as she demystifies the 1s and 0s of binary numbers. Welcome to Math Bites! New episodes every Thursday. Subscribe for Math Bites: h...

Khan Academy - Binary Numberswww.youtube.comMore free lessons at: http://www.khanacademy.org/video?v=ry1hpm1GXVI Understanding how numbers are represented. Introduction to binary numbers

BINARY MATHS GAME! Test your knowledge you have learnt!forums.cisco.com

Unplugged ~ Binary Numbers in Emailswww.youtube.comThis video shows an entertaining way to introduce Computer Science to school students. For the first part in the series, see http://nz.youtube.com/watch?v=vo...

Computers use a special code of their own to express the digital information they process. It's called the binary code because it consists of only two symbols—0s and 1s. (The "bi" in "binary" means two.

Why 0s and 1s? Because those are the only two numbers you need to express the flow of electricity through a transistor. It's either on or it's off. On is 1, off is 0. Everything you say to a computer has to be put in terms of these two numbers.

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