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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
4.14  Derive minimal sum-of-products expressions for the outputs d , e, f , and g of the 7-segment display in Figure 4.21.
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4.15  For the function, f , in Example 4.26 perform Shannon’s expansion with respect to variables w1 and w2, rather than w1 and w4. How does the resulting circuit compare with the circuit in Figure 4.46?
4.16Â Â Consider the multiplexer-based circuit illustrated in Figure P4.1. Show how the function
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f  = w2w3 + w1w3 + w2w3 can be implemented using only one instance of this circuit.
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