Truth Tables
Description
The first step in designing a new product is creating a design specifications document. These design specifications detail all of the features and limitations of the new product. In digital electronics, the process of translating these design specifications into a functioning circuit starts with the creation of a truth table. A truth table is simply a list of all possible binary input combinations that could be applied to a circuit and the corresponding binary outputs that the circuit produces. Once the truth table is complete, a Boolean expression can easily be written directly from the truth table. In this activity you will learn how to translate design specifications into truth tables and, in turn, write un-simplified logic expressions from these truth tables. In future activities we will learn how to use Boolean algebra as well as a graphical technique called Karnaugh mapping to simplify these logic expressions.
Conclusion Questions
1. Five inputs = 32 outputs / Six inputs = 64 outputs
2. C = 2N
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3. Z = XY + XY
2. C = 2N
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3. Z = XY + XY