STUPIDSID
Answer any one question from Q1 and Q2
1 (a)
Explain following characteristics of digital ICs
1. Noise margin
2. Fan in & Fan out
1. Noise margin
2. Fan in & Fan out
2 M
1 (b)
Simplify and implement following expression using K-map.
Y=∑m (1,5,6,7,11,12,13,15)
Y=∑m (1,5,6,7,11,12,13,15)
4 M
2 (a)
Draw CMOS circuit for NOR gate.
2 M
2 (b)
Design and implement following function using 4:1 multiplexer F=∑m(1,3,4,5).
4 M
Answer any one question from Q3 and Q4
3 (a)
Draw and explain TTL to CMOS interface.
4 M
3 (b)
What do you mean by multiplexer tree? Explain.
2 M
4 (a)
Give comparisons between TTL, ECL and CMOS logic families.
4 M
4 (b)
What do you mean by priority encoder?
2 M
Answer any one question from Q5 and Q6
5 (a)
Draw and explain SR Flip Flop using NAND gates.
2 M
5 (b)
Convert D to T flipflop.
4 M
6 (a)
What is clock skew and clock jittering in synchronous circuits?
2 M
6 (b)
Design a mod-6 synchronous counter.
4 M
Answer any one question from Q7 and Q8
7 (a)
Compare Mealy machine with Moore machines.
2 M
7 (b)
Design a sequence detector to detect the sequence 110, using JK flip-flops. Use Mealy Machine.
4 M
8
Reduce following state diagram.
6 M
Answer any one question from Q9 and Q10
9 (a)
Draw and explain CPLD with its block diagram.
6 M
9 (b)
Design seven-segment decoder using PLA.
7 M
10 (a)
Differentiate between static and dynamic RAM?
4 M
10 (b)
Compare between different types of PLDs.
3 M
10 (c)
Implement following function using PLA.
F1 (A, B, C) = ∑M (0, 2, 5, 7)
F2 (A, B, C) = ∑M (2, 3, 4, 5)
F1 (A, B, C) = ∑M (0, 2, 5, 7)
F2 (A, B, C) = ∑M (2, 3, 4, 5)
6 M
Answer any one question from Q11 and Q12
11 (a)
Differentiate between signals and variables.
4 M
11 (b)
What is a structural type of modelling? Explain with an example.
4 M
11 (c)
Write VHDL code for 3:8 decoder using case statement.
5 M
12 (a)
Explain architecture with different modelling styles.
6 M
12 (b)
Explain the difference between concurrent and sequential statements.
4 M
12 (c)
Explain loop statement with example.
3 M
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