A 1’s complement calculator is a digital circuit that performs the 1’s complement operation on a binary number. The 1’s complement of a binary number is found by inverting each bit of the number. For example, the 1’s complement of the 8-bit binary number 01101001 is 10010110.
1’s complement calculators are used in a variety of applications, including computer arithmetic and digital signal processing. In computer arithmetic, 1’s complement calculators are used to perform subtraction. In digital signal processing, 1’s complement calculators are used to perform a variety of operations, including negation, absolute value, and sign extension.