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Computers use a bunch of on and off switches and don't think of numbers in groups of 10 like humans. They use powers of 2 because each switch can only be made in 2 functions; on or off with only two digits.

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12y ago
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13y ago

A Computer is nothing but an on/off electrical switch-assembly. A/The Binary code simply instructs the Processor as to which switch to turn on or off; (0 or 1).

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12y ago

its easier

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Q: Why do computers use binary number system instead of the decimal number system?
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Related questions

Express the decimal number 57 in binary?

The binary value of the decimal number 57 (fifty seven) is 00111001According to three different decimal to binary converters I tried, the decimal number 57 is expressed in binary as 111001. Being able to convert to binary is important because binary is what computers work in.


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BCD is used for binary output on devices that only display decimal numbers.


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