How XOR operation is performed?

How XOR operation is performed?

The XOR logical operation, or exclusive or, takes two boolean operands and returns true if and only if the operands are different. Thus, it returns false if the two operands have the same value. So, the XOR operator can be used, for example, when we have to check for two conditions that can’t be true at the same time.

What mathematical operation is XOR?

XOR is one of the sixteen possible binary operations on Boolean operands. That means that it takes 2 inputs (it’s binary) and produces one output (it’s an operation), and the inputs and outputs may only take the values of TRUE or FALSE (it’s Boolean) – see Figure 1….All About XOR.

How does XOR work for decimal?

This is used commonly in cryptography and hashing algorithms. In simple words, the XOR of two decimal means, first converting the two decimals to binary and then performing the bit-wise XOR and then again converting the result to decimal.

How is XOR N number calculated?

1- Traverse all numbers from 1 to n. 2- Do XOR of numbers one by one with result….Method 2 (Efficient method) :

1. Find the remainder of n by moduling it with 4.
2. If rem = 0, then xor will be same as n.
3. If rem = 1, then xor will be 1.
4. If rem = 2, then xor will be n+1.
5. If rem = 3 ,then xor will be 0.

What is a logical XOR?

Logical exclusive or (xor) The xor operator produces a result of true if either of its operand values is true and the other is false and false if both are true or both are false.

What does the ^ ( XOR ) operator do?

XOR is a binary operation, it stands for “exclusive or”, that is to say the resulting bit evaluates to one if only exactly one of the bits is set. This is its function table: a | b | a ^ b –|—|—— 0 | 0 | 0 0 | 1 | 1 1 | 0 | 1 1 | 1 | 0 This operation is performed between every two corresponding bits of a number.

When does the bitwise operator XOR return 1?

If both bits in the compared position of the bit patterns are 0 or 1, the bit in the resulting bit pattern is 0, otherwise 1. In short, it means that it returns 1 only if exactly one bit is set to 1 out of the two bits in comparison ( Exclusive OR ).

When to use XOR in a bit pattern?

If both bits in the compared position of the bit patterns are 0 or 1, the bit in the resulting bit pattern is 0, otherwise 1. In short, it means that it returns 1 only if exactly one bit is set to 1 out of the two bits in comparison ( Exclusive OR ). That was the basic stuff about XOR.

How does XOR work on a negative number?

With that in mind, lets understand how XOR works on negative number with an example. Lets consider the expression – ( -5 ^ -3 ) . Binary representation of -3 can be considered as 1000…011. Here, denotes all 0s, the number of which depends on bits used for representation (32-bit, 64-bit, etc).