A collection of 3 posts
TL;DR: A CPU flags register stores four single-bit results from the most recent ALU operation: Zero (Z) when the result is zero, Carry (C) on unsigned overflow, Negative/Sign (N) equal...
TL;DR: A digital comparator is a combinational circuit that compares two N-bit binary numbers and outputs whether they are equal, or which one is larger. An equality comparator is built...
TL;DR: An Arithmetic Logic Unit (ALU) is a combinational circuit inside a CPU that performs arithmetic operations (addition, subtraction) and bitwise logic operations (AND, OR, XOR, NOT, shifts) on two...
