Title: Digital Logic Design - Midterm Exam
Al-Balqa Applied University
Date: Monday 20/11/2017
Q1: Choose the correct answer (12 marks)
Faculty of Engineering Technology
1. Which of the following numbers is equivalent to (276)o?
a) 276t
b) BE
c) 010111101
d) (192)
2. The maximum value that can be represented by a 9-bit number is:
a) 511
b) 512
c) 1024
d) 1023
3. Which of the following functions is equivalent to F(A.B,C)?
a) AF(A.BC) = ABC+ABC+ABC+ABC
b) BF(A.BC) = ABC-ABC+ABC+ABC
c) CF(A.BC) = AB'C+ABC+ABC+ABC
d) DF(A,C) = ABC+ABC+ABC+ABC
4. Which of the following numbers is equivalent to 32810?
a) 101001000
b) 101001100
c) 101011100
d) 101101000
5. The 10's complement of the number 2643 is:
a) 7356
b) 7357
c) 7355
d) 7358
6. Which of the following functions can be obtained from the K-map CD A8 00 011110 00 1 with F=3,5,8,14?
a) We can't obtain the full adder from 01
b) 2 half adder and 2 OR gate
c) 1 half adder and 2 AND gate
d) 2 half adder and 1 OR gate
Q2: Fill in the gaps (6 marks)
1. Convert decimal 59.72 to BCD.
2. To implement an XNOR gate using the minimum number of NANDs, how many NANDs do we need?
3. An equivalent representation for Boolean AB+1 is:
4. An equivalent representation of F(A,B,C) = AB+C.Cis:
5. Convert 1100101000110101 to hexadecimal.
6. If FA,BCD = 0,1,8,9,11, then F' = I[M].
Q3: What is the simplified function of the following K-map using the product of sum? (4 marks)
