Negative number representation, Two's Complement, Subtraction, Binary Inversion: Bit Manipulation
Here we learn about 2's Complement and 1's Complement of a number, and also about doing subtractions in computing terms in C/C++. When we do 2's complement, there is a certain pattern in how the bits are modified. The same goes for when we subtract 1 from a number.
These two patterns which we find will be very helpful in creating complex Masks for solving larger complicated problems. We do a visualization of the pattern and find shortcuts to do 2's complement and Subtraction by 1.
See Embedded / Firmware Interview Preparation Series here:
• Bit Manipulation Interview Series
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