'1 gate delays' presentation slideshows

Arithmetic

Arithmetic. Addition/subtraction of signed numbers. At the i th stage: Input: c i is the carry-in Output: s i is the sum c i+1 carry-out to (i+1) st state. x. y. Carry-in. c. Sum. s. Carry-out. c. i. i. i. i. i. +1. 0. 0. 0. 0. 0. 0. 0. 1. 1. 0. 0. 1. 0. 1.

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