Answer any one question from Q1 and Q2
1 (a)
Represent the following decimal numbers in single precision
floating point format:
i) 255.5
ii) 110.65
i) 255.5
ii) 110.65
6 M
1 (b)
What do you mean by open collector output ? Explain with suitable circuit diagram. What is the advantage of this output?
6 M
2 (a)
Perform 2's complement arithmetic of:
i) (7)10-(11)10
ii) (-7)10-(11)10
iii) (-7)10+(11)10
i) (7)10-(11)10
ii) (-7)10-(11)10
iii) (-7)10+(11)10
6 M
2 (b)
Draw suitable circuit diagram and explain the drawback of WIRED_OR TTL GATE?
6 M
Answer any one question from Q3 and Q4
3 (a)
What is race around condition? Explain with the help of timing diagram. How is it removed in basic flip-flop circuit?
6 M
3 (b)
Design a sequence generator using shift register and decoder circuit to generate the sequence ......1101011...... .
7 M
4 (a)
How will you convert the basic SR-flip-flop (SR-FF) into JK-
Flip-flop?
6 M
4 (b)
Design a MOD-11 counter using IC7490. Show states with the help of timing diagram.
7 M
Answer any one question from Q5 and Q6
5 (a)
Draw the basic structure FPGA. Explain its feature in brief.
6 M
5 (b)
Implement the following function using programmable logic
Device:
i) F1 = ∑(0, 3, 4, 7)
F2= ∑m(1, 2, 5, 7)
i) F1 = ∑(0, 3, 4, 7)
F2= ∑m(1, 2, 5, 7)
6 M
6 (a)
Draw the basic structure of CPLD. Explain its features in
Brief.
6 M
6 (b)
Design a BCD to Excess-3 code converter using suitable programmable logic device.
6 M
Answer any one question from Q7 and Q8
7 (a)
State and explain different data types supported by VHDL.
6 M
7 (b)
Write features of VHDL. Explain entity architecture declaration for 2 bit NOR and AND gate.
7 M
8 (a)
State and discuss different types of operators used in VHDL. Give precedence of these operators.
6 M
8 (b)
Describe different modelling styles of VHDL with suitable example.
7 M
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