Web Links for Chapter 9
Section 9.1. Boolean Functions
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Basic information about Boolean algebra can be found at
Biographical information and a photograph of Claude Shannon can be found at the MacTutor History of Mathematics Archive at the University of St Andrews, Scotland.
Section 9.2. Representing Boolean Functions
Disjunctive normal form and conjunctive form and their applications are discussed in notes for EECS150, a course at the University of California, Berkeley. These notes can be accessed at
Section 9.3. Logic Gates
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Some materials on logic design from the University of Texas are available at
Section 9.4. Minimization of Circuits
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This Karnaugh-Veitch-diagram applet can be used to interactively minimize logical functions with up to 6 inputs and 8 outputs, in either conjunctive or disjunctive form (AND-OR, OR-AND). You can either minimize the example functions provided or try your own functions. (The applet is Java-1.0 compatible.)
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Software (for Windows PCs) (which needs to be unzipped) for running the Quine-McCluskey method can be downloaded from
The home page of Edward McCluskey has a photograph of McCluskey and some information about his research work