Please note these corrections in
the lecture no. 2 at the times
nd
12.51 minute (2 slide) and
rd
24.00 minutes (3 slide)
This is 1st slide
A half adder – can add up two bits
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Solution to Prob 2.1
• Applying sum of the product terms,
A
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B
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Signal = 𝐴. 𝐵. 𝐶 + 𝐴. 𝐵′ . 𝐶 + 𝐴. 𝐵. 𝐶 ′
= 𝐴. 𝐵. 𝐶 + 𝐴. 𝐵′ . 𝐶 + 𝐴. 𝐵. 𝐶 ′ + 𝐴. 𝐵. 𝐶
= 𝐴. 𝐶. 𝐵 + 𝐵′ + 𝐴. 𝐵. (𝐶 + 𝐶 ′ )
= A.C+A.B = A . (B + C)
C
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signal
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