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Digital computers use binary numbers because that is easier for them, and the easiest way for humans to represent what goes on inside of computers. Computers contain millions of transistors inside the various ICs in the computer. Transistors can generally be on or off. Sure, it is possible for transistors to have a range, but then, in this case, it wouldn't be digital. So since the transistors are used as on-off switches, it is easiest to represent them as binary digits, since they can either be on or off.

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8y ago

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Computers do not natively operate in the decimal number system. It's only used in the sense when it comes to communicate with their users who may not readily understand binary, octal, or hexadecimal values.

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9y ago
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They don't.

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14y ago
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Q: Why do digital computers use binary numbers for their operation?
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