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October 16, 1999 The Bitwise NOT Operator  Tips: October 1999
Yehuda Shiran, Ph.D.
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The bitwise NOT operator returns the reverse of its single operand (unary). All 1s are converted to 0s, and all 0s are converted to 1s. The NOT operator is sometimes referred to as the bit flip operator or the invert operator. Here is the truth table for this operator:
The NOT operator, like all other bitwise operators, can take only numeric values as its operand. As oppose to other bitwise operators, the NOT operator refers to its operand as a 32-bit integers. If it is not a 32-bit integers, the operand is converted for the operation and then converted back to its initial form. Let's reverse the decimal number 70:
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