2006.semester.1

2006.semester.1 - CS202 - DISCRETE MATHEMATICS SEMESTER...

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* This is a closed book, closed notes examination. * Write your answers on the examination paper in ink or legible pencil. * If your answer cannot be read or understood , or if your answer is vague or confused, it will be marked wrong. * The numbers in parentheses after each question is the number of points allocated to that question. NAME ( Print Legibly. All Capitals ): PLEDGE ( Write Out In Full And Sign ): CS202 - D ISCRETE M ATHEMATICS S EMESTER E XAMINATION 1 F ALL 2006 Time Limit - Seventy Five Minutes
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Page 1 Department of Computer Science CS 202 University of Virginia Page score 1. Draw the truth table for the logical exclusive or operator a b . (5) 2. Write down the power set of the set S = { a, { a } , {{ a }}}. (5) 3. By building one or more truth tables, determine whether the following equivalence is true: (10) p q Ü (p Ú q) Ù Ø(p Ù q)
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Page 2 Department of Computer Science CS 202 University of Virginia Page score 4. Write a predicate using the integer variable
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2006.semester.1 - CS202 - DISCRETE MATHEMATICS SEMESTER...

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