The original ripple carry adder with just dust and torches. Can be stackDefinition: LIFO: A data structure where the last input is outputted first (LIFO, Last in first out). For example, when the numbers 1, 2, 3, 4 are inputted in that order, they are outputted in the reverse ord...ed to make any bitDefinition: Guide to data storage sizes: **Bit**: The smallest unit of data, representing a 0 or a 1 in binary. Abbreviated as b **Nibble**: One hexadecimal 'digit,' representing either **4 bits** or the 16 ... adder you want.