DE 2012 Previous Year Questions (Digital electronics)

B.Tech CS Digital electronics (DE) 2012  Previous Year Questions - MinMarks

 

Q.1 Obtain minimum SOP expression for following Boolean expression using Karnaugh Map.

      F = ∑ m(0,1,2,5,7,9,13,15)+d(8,11) 

     Realize the minimized function using logic gates.

Q.2 Implement the following boolean function with NOR -NOR gate logic. 

 Y = AC + BC + D

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SE 2012 previous year questions Software Engineering

B.Tech CS Software Engineering (SE) 2014 Previous Year Questions.

 

 

Q.1 Considering "Hospital Information System" as an example, explain the following UML diagrams in detail, with the help of neat sketches-

1. Use case diagram.
2. Class diagram.
3. Sequence diagram.
4. State transition diagram.

Q. 2  What is quantifying program quality ? With the help of your own hypothetical example, explain a method of quantifying program quality.



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DE Previous Year Questions (Digital electronics ) - MinMarks

B.Tech CS Digital electronics (DE) 2013  Previous Year Questions - MinMarks

Q. 1 Realize the following.

1. $Y = \sum m(0,1,2,3,11,12,14,15)$ Using 16 :1 multiplexer
2. $Y = \prod m(0,1,3,7,9,10,11,13,14,15)$ using 4 to 16 line decoder

Q.2 Simplify the following logic expression using K-map and implement then using NAND gate :
1. $Y = (A+\overline{B}+C)(\overline{A}+\overline{B}+\overline{C})(\overline{B}+\overline{C}+D)$
2. Y = ABC¯D+A¯BCD+A¯ B¯C+A¯ B¯ D¯+B

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Analog and digital communication previous year questions 2013

B.Tech CS Analog and digital communication (ADC) 2013 previous year questions

 

 

 Q.1 Explain PSK. What are modulation and demodulation technique of PSK ? Why coherent demodulation technique cannot be applied for PSK detection ?

Q.2 Explain the binary ASK. What are the various techniques to generate ASK ? Explain coherent and non-coherent demodulation techniques of ASK.

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