Arithmetic Logic Units. Representation of Negative Numbers. Adding Multiplebit Numbers Arithmetic circuits are excellent examples of comb. å. The new number remains in the accumulator for further operations or can be transferred toNumber in B register memory for storageand accumulator register are added in logic circuit, withThe number from memory to the B register. Time vs. Critical component of processor datapath. Representation of positive numbers same in most circuits. S ChapterArithmetic Ci