Implement the following function using minimum number of ...
Department of Electrical and Computer Engineering
COEN 212 Oct. 15, 2015
Answer all Questions.
Exam Duration 1 hour 5min Examiners: Asim J. Al-Khalili,
No books / papers or electronic devices are allowed.
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Question 1
a) Given F1 and F2 below, determine F1 . F2 and F1 + F2 (2 Marks)
F1= AB + C F2= A’C’ + B’C’
b) Minimize the following Boolean Function: (2 Marks)
F(A,B,C,D)= ABC’ + BC’D’ + AC’D + ABC + BCD’ + ACD’
c) Minimize F(A,B,C,D)= (AB+CD)’ + (A’B’C’D’)’ (2 Marks)
Question 2
1) Given f(A,B,C) = AB +A C’ + BC
i) Implement f in NOR-NOR format (2 Marks)
ii) Implement f in AND-OR-INVERT format (2 Marks)
Obtain optimum implementation.
b Give minimal POS for F(a,b,c,d) given by the K map below (2 marks)
| a b cd |00 |01 |11 |10 |
|00 |1 |X |X |X |
|01 | |1 |1 | |
|11 |1 | | |1 |
|10 |X |X |X |X |
F(a,b,c,d)
Question 3
3.a Give the POS of F(A,B,C,D)= (A+BCD) (B+CD) (2 marks)
3.b Give the minterm list of F(A,B,C,D)=AB (2 marks)
3.c Give the maxterm list of F(A,B,C,D)= ABC+CD+CB (2 marks)
3.d Minimize F(a,b,c,d) given by the K-Map below. Give All Prime Implicant and Identify the Essential Prime Implicant. Give results in SOP (2 marks)
| a b cd |00 |01 |11 |10 |
|00 |1 |X |X |X |
|01 | |1 | | |
|11 |1 |1 | |1 |
|10 |X |X |X |X |
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