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Posted By: shahabankormath Member Level: Silver Posted Date: 09 May 2008

2007 Calicut University B.Tech Computer science and engineering swithching theory and logic design Question paper

Course: B.Tech Computer science and engineering

University: Calicut University

Third semester b-tech exam june 2007
Cs04 305 swithching theory and logic design
1. What do you mean by swithching algebra?
2. Explain why NAND gate is known Y=AB+A+B and draw the logic circuit
3. Explain why NAND gate is known as universal gate.
4. Implement a 4:1 multiplexer.
5. Write a brief note on fault classes.
6. Write short notes on PLA folding.
7. Give the excitation tables of JK and D flipflop
8. Explain the basic concepts of a shift register.
9. Reduce the following Boolean function using mccluuskey method
F(A,B,C,D,E)=SUM(0,1,2,8,9,15,17,21,24,25,27,31)
10. Simplify the following expression using K-map
F(A,B,C,D)=SUM(0,3,6,7,9,13,14,15)
11. Differentiate between normal and cannonical forms with the help of suitable examples.
12. implment a bcd to excess 3 converotr.
13. Explain the difference between multiplexer and demultiplexer with the help of neat logic diagrams.
14. Discuss about the fault table method for test generation.
15. Write short notes on the following:-
Essential prime cube theorem.
Design for testability.
16. Design a 4-bit up down counter and explain.
17. What do you mean by synchronous counters? Design a mod-8 sychronous binary up counter using D Flip flop.

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