# Discrete Structure lecture_20

Apr 28th, 2015
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It includes all the details about the Discrete structure with examples.Step by step solution.

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DISCREAT STRUCTURELECTURE # 20MID TERM PAPERKHAWAJA TARIQ MAHMOODLecture # 20MID TERM EXAMINATIONGRAFTON COLLEGE, ISLAMABADPAPER: Mid TermSubject: Discrete Structure.Class: BSSE-F13Course Code: CS-114Time allowed: 1.30 HoursMarks: 30******************************************************************Note: Attempt All Questions.******************************************************************1. (a) Prove by truth table ( A B) C A (B C)(b) Construct the circuit for the Boolean expression p (~ p q)(5)(5)2. (a) State and prove De-Morgans Law.(5)(b) If A = {1, 2, 3}, B = {2, 3, 4} then, Write a binary relation in A B. when:R x, y x A , y B x y 5 Also write(5)Domain of RRange of RArrow diagram of RDirected diagram of RMatrix representation of R3. (a) De

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