The heavy-lifter made entirely of complex combinational circuits that performs arithmetic (addition, subtraction) and logical comparisons (AND, OR, NOT). Registers:
Individual gates are useless in isolation. When combined, they form and sequential circuits. subtraction) and logical comparisons (AND
by Aho, Lam, Sethi, and Ullman (Affectionately known as the "Dragon Book," this is the definitive guide to compiler construction). subtraction) and logical comparisons (AND