23a. AB
25.
b. B+C
c. AB (B+C)
24. (L+M)(L+M)
The logic diagram above contains a combination of various logic
symbols. Although this diagram is more complex than others
previously encountered, it is systematically converted to an output
Boolean expression by using the step-by-step procedure illustrated
in the diagram. Be careful not to lose track of an inverted input or
output. Maintain proper identity and separation by using
appropriate marks of separation. A good habit to develop is to
doublecheck the results for completeness and accuracy.
Write the output Boolean expression for the logic diagram below.
1-17
IT 0343
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