Classical

Digital Logic - Combinational Circuits

31:  

What is the minimum number of 2 input NAND gates required to implement the function
F = (x'+y') (z+w)

A.

6

B.

5

C.

4

D.

3

 
 

Option: C

Explanation :

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32:   How many truth tables can be made from one function table ?
A. One
B. Two
C. Three
D. Any numbers
 
 

Option: B

Explanation :

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SHREYAS PATEL said: (7:46am on Monday 5th August 2013)
Really all question are interesting and very much great effort had been done to find such type of question,but sir,I can't able to understand this answer,can you please explore the answer and send it to my mail id shr.patel1990@yahoo.com
SHREYAS PATEL said: (7:46am on Monday 5th August 2013)
Really all question are interesting and very much great effort had been done to find such type of question,but sir,I can't able to understand this answer,can you please explore the answer and send it to my mail id shr.patel1990@yahoo.com

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33:   A comparison between serial and parallel adder reveals that serial order
A. is slower
B. is faster
C. operates at the same speed as parallel adder
D. is more complicated
 
 

Option: A

Explanation :

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34:   What is the largest number of data inputs which a data selector with two control inputs can have ?
A. 2
B. 4
C. 8
D. 16
 
 

Option: B

Explanation :

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35:   If a logic gates has four inputs, then total number of possible input combinations is
A. 4
B. 8
C. 16
D. 32
 
 

Option: C

Explanation :

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adnan ahmed said: (12:18am on Friday 19th April 2013)
how?

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