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Why use bitwise OR / AND

Former Member over 10 years ago

I have been programming for over an year now. I still don't get why bitwise OR and AND operators are used. They seem to return random numbers.

What mathematical purpose do they have?

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Robert Peter Oakes over 10 years ago +1

It can seem this way if your looking at the values as decimal or hex These operations are a binary operation so it works on ones and zeroes For example the decimal number 15 is 0F in hex or 00001111 in…

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D_Hersey over 10 years ago

Sometimes, when working with this, it is better to have your numbers represented as hexadecimal. Then your numerals correspond to four-bit groups. Makes it easier to reckon in.
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D_Hersey over 10 years ago

Sometimes, when working with this, it is better to have your numbers represented as hexadecimal. Then your numerals correspond to four-bit groups. Makes it easier to reckon in.
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