Mastering Bitwise Operations: How to Perform NXOR on 2 Bits in C

Learn how to perform the `NXOR` operation on two bits in C. This guide provides a simple method using existing bitwise operators for efficient coding. --- This video is based on the question https://stackoverflow.com/q/64323990/ asked by the user 'Or b' ( https://stackoverflow.com/u/13695430/ ) and on the answer https://stackoverflow.com/a/64324020/ provided by the user 'Dietrich Epp' ( https://stackoverflow.com/u/82294/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to apply NXOR on 2 bits in c Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Mastering Bitwise Operations: How to Perform NXOR on 2 Bits in C When working with low-level programming in C, bitwise operations can come in handy, especially in scenarios requiring efficient data manipulation. One common yet not-so-familiar operation is the NXOR (negated XOR). This guide will explain what NXOR is and how you can implement this operation on two bits using C programming language. What is NXOR? The NXOR operation outputs true or 1 when both inputs are the same (either both 0 or both 1), and false or 0 when the inputs are different. It can be summarized as follows: NXOR(0, 0) = 1 NXOR(1, 1) = 1 NXOR(0, 1) = 0 NXOR(1, 0) = 0 Understanding the Bitwise Operators in C In C, the primary bitwise operators available are: AND (&) OR (|) NOT (~) XOR (^) To implement an NXOR operation, we can leverage the existing XOR and NOT operators. This reusability is one of the strengths of working in C, as you can create complex operations using simple, fundamental building blocks. How to Implement NXOR in C Step 1: Create the NXOR Function You can define the nxor function as follows: [[See Video to Reveal this Text or Code Snippet]] Explanation: In this code, we use the XOR (^) operator to compare the bits. The result of x ^ y will be 1 if the bits are different and 0 if they are the same. The NOT (~) operator then negates this result. Therefore, the NXOR function evaluates to 1 only when both bits are the same. Step 2: Working with One Bit If you want to ensure the result is strictly limited to a single bit (0 or 1), you can mask the result as follows: [[See Video to Reveal this Text or Code Snippet]] Explanation: Here, the 1 & operation ensures that the result will only retrieve the last bit after the negation, effectively limiting the output to a binary result. Example Usage To see NXOR in action, you can call these functions in your C program: [[See Video to Reveal this Text or Code Snippet]] Conclusion By mastering the NXOR operation in C, you can enhance your coding skills and increase the efficiency of your applications. Utilizing existing bitwise operations to create new ones is a powerful technique that underscores the flexibility of C programming. Now you have the tools to implement NXOR effectively! Happy coding!