Subtraction logic the truth table for a 1-bit combinational, Ask an Expert

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(Subtraction Logic) The truth table for a 1-bit combinational binary subtractor, analogous to the half adder, computing D(ifference) = A minus B, with BL (borrow-from-left), is

(a) Design a 1-bit combinational binary subtractor, comparable to the full adder, with two data inputs (A, B), a borrow from the right input (BI), a borrow request to the left output (BL), and a difference output (D).

(b) Show how your design can be cascaded to form multi-bit subtractors.

(d) How is a subtraction under/low condition indicated?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92195817

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