Question: Read this article: https://www.cs.umd.edu/class/sum2003/cmsc311/Notes/Comb/overflow.html 1. Explain why we use XOR on 2 last carries (C3 and C4) to check ifoverflow occurs in 2s complement adder?

Read this article: https://www.cs.umd.edu/class/sum2003/cmsc311/Notes/Comb/overflow.html

1. Explain why we use XOR on 2 last carries (C3 and C4) to check ifoverflow occurs in 2s complement adder? (10pts). 2. Design another circuit to detect overflow (not using XOR orexpansion of XOR) and explain. (10pts).

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