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Bitwise Operators

The Bitwise operators supported by C language are listed in the following table. Assume variable A holds 60 and variable B holds 13 then:

 

Operator

Description

Example

&

Binary AND Operator copies a bit to the result if it exists in both operands.

(A & B) will give 12 which is 0000 1100

|

Binary OR Operator copies a bit if it exists in either operand.

(A | B) will give 61 which is 0011 1101

^

Binary XOR Operator copies the bit if it is set in one operand but not both.

(A ^ B) will give 49 which is 0011 0001

~

Binary Ones Complement Operator is unary and has the effect of 'flipping' bits.

(~A ) will give -61 which is 1100 0011 in 2's complement form due to a signed binary number.

<< 

Binary Left Shift Operator. The left operands value is moved left by the number of bits specified by the right operand.

A << 2 will give 240 which is 1111 0000

>> 

Binary Right Shift Operator. The left operands value is moved right by the number of bits specified by the right operand.

A >> 2 will give 15 which is 0000 1111





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