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Half Adder, Full Adder and 4 bit Adder					[TOC]
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Video
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---- VIDEO ------------------------------
https://www.youtube.com/embed/OFFAKWHoja8
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Assignment
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Use two 4-bit Adder as building blocks for a 8-bit Adder. Your 8-bit Adder
should indicate whether the result can be represented with 8 bits. You will
notice that some little modification is required to the 4-bit Adder that was
implemented in the video (Hint: There's a reason why only Full Adders were used
for the 4-bit Adder).

Make a nice demo circuit for your 8-bit Adder. Maybe something like this:

---- IMAGE -------------------------
session02/8-bit Adder Assignment.png
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