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Design and implement one digit BCD tables.
written 5.5 years ago by gravatar for teamques10 teamques10 ★ 68k modified 2.9 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
digital logic design
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written 2.9 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k

Solution:

Algorithm:

Step 1: Do normal Binary Addition.

Step 2: if sum > 9 or cy = 1 then

Add ‘6’ as correction factor

OR

If sum < 9 then final answer is valid BCD.

Designing a circuit which will detect sum > 9 or not.

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$S_3 – S_0 \gt 9$ Error Logic ‘1’

$S_3 – S_0 \lt 9$ Logic ‘0’

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