1st computer to use binary code?

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Answers.com > Wiki Answers > Categories > Technology > Computers > Computer History > 1st computer to use binary code?

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What is a binary code?  Name of the 1st computer?  Who invented binary code?  What is the binary code for 17?  First computer to use binary code?  Why do computer system use binary?  Who was the 1st person used binary numbers?  First computer to use the binary number system?  Who built the world's first binary digit computer?  Why people use Hexidecimal instead of Binary for computer programming?