December 2013
Beginner
576 pages
16h 4m
English
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The Bitwise AND Operator
When two values are ANDed, the binary representations of the values are compared bit by bit. Each corresponding bit that is a 1 in the first value and a 1 in the second value produce a 1 in the corresponding bit position of the result; anything else produces a 0. If b1 and b2 represent corresponding bits of the two operands, the following table, called a truth table, shows the result of b1 ANDed with b2 for all possible values of b1 and b2.
b1 b2 b1 & b2————————————————————————0 0 00 1 01 0 01 1 1
For example, if w1 and w2 are defined as short ints, and w1 is set equal to hexadecimal 15 and w2 is set equal to hexadecimal 0c, the following C statement assigns ...
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