Vlsi Engineer Interview Questions

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You are given two Full Adders (FA) and one Half Adder (HA). Using only these components, design a 3-bit adder that adds three single-bit inputs: A, B, and C. Your circuit should output a Sum and a Carry-out. Describe your logic design approach. You may assume all gates within the adders are ideal. Do not use any additional gates beyond the given components.
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VLSI Intern

Interviewed at Texas Instruments

3.8
May 30, 2025

You are given two Full Adders (FA) and one Half Adder (HA). Using only these components, design a 3-bit adder that adds three single-bit inputs: A, B, and C. Your circuit should output a Sum and a Carry-out. Describe your logic design approach. You may assume all gates within the adders are ideal. Do not use any additional gates beyond the given components.

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