[Homework logo] SCEN103 Logic Homework

For 3 points:

  1. Construct the truth table for the following combination of gates:

    [Schematic of 4 NAND gates]

    What is the connection between this circuit and the one considered in class on Dec. 2?

  2. Prove that the following two circuits are equivalent by constructing the truth table for each one:

    [Schematic of 2 gates]

    [Schematic of 3 gates]

    Note that the three binary inputs generate 8 unique input states; hence, each truth table should have 8 rows.

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Last updated Dec. 2, 1996.
Copyright George Watson, Univ. of Delaware, 1996.