# Design a combinational circuit that forms the 2-bit binary sum S 1 S 0 of two 2-bit

## Question:

Design a combinational circuit that forms the 2-bit binary sum S_{1}S_{0} of two 2-bit numbers A_{1}A_{0} and B_{1}B_{0} and has both a carry input C_{0} and carry output C_{2}. Design the entire circuit implementing each of the three outputs with a two-level circuit plus inverters for the input variables. Begin the design with the following equations for each of the two bits of the adder:

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**Related Book For**

## Logic And Computer Design Fundamentals

**ISBN:** 9780133760637

5th Edition

**Authors:** M. Morris Mano, Charles Kime, Tom Martin