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Re^3: Bit operations for beginnersby ikegami (Pope)
|on Jun 22, 2005 at 04:51 UTC||Need Help??|
Bits means, by definition, Binary digITS. "true" and "false" are not digits, but "0" and "1" are. Why use a reprentation when you can use an actual value?
Besides, it's vague. While 0 and 1 can be false and true, false and true can be more than 0 and 1. Why say "I like food" when you mean "I like chocolate"?
The term "boolean algebra" applies to both logical operators (for which values T and F are typically used) and bitwise operators (for which inputs 0 and 1 are typically used), so what you used in boolean algebra class is moot. Besides, you're not teaching boolean algrebra, you're teaching bitwise operators. What applies to one doesn't necesasrily apply to the other.
By the way, you might have noticed everyone else used 1s and 0s in their replies.
There's something else that's inconsistent. In the tables, Bit0 starts with 0/false then goes to 1/true, but Bit1 does the opposite. It makes for highly irregular (non-standard) and confusing tables. Look at the order everyone else used in their replies. They all used the same, standard order. Here it is for convenience:
or with three inputs: