In article 6ODyd.478$Q%4.350@fed1read06, says...
DIGITAL: Describes any system based on discontinuous data or events.

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Nonsense. "Digital" refers to a system where data is represented by
numbers, I.e., digits.

Is the light switch on the wall "digital"? According to your
definition, it is. While it is binary, having two states, the states do
not represent numbers. It's purely analog.

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Bill, W6WRT