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The binary system is not used because someone advocated it.

It's used because each digital computer is composed of an enormous number of on-off switches. The obvious way of representing 'on-off' in numbers is as one or zero, which is the binary number system.

If you ask why couldn't computers be composed of 10-way switches well that's a matter of electronics. It would be much more difficult to build those than the two-way switches.

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11y ago

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