BCA 2nd year question paper 1 of magadh university 2011

              2011 

        Time : 3 Hours                        

        Full Marks – 75 

Candidates are required to give their answers in own words as far as practicable.

The figues in the margin indicate full marks. Questions are of equal value.

 Answer  two-two questions in each group & One any other.

 (Answer Five Questions in all group)   

            GROUP-A 

1. What do you mean by Computer Networks ? Describe different modes of data communication ? 

2. What is Switching ? Discuss the circuit switching, packet switching and message switching. 

3. Explain K-map and it’s significant ? Discuss 2-variable K-map. 

4. Discuss different network devices in details? 5. Write sort notes on  :-  
a) Optical Fiber 
b) URL 
c) VSAT 

         GROUP-B 

6. a) Discuss the features of C-Language? 
    b) Describe variable , expressions & identifiers ? 
       
7.  Discuss different formatted and unformatted Input/Output functions in C, with suitable Examples? 

8. a) Discuss nested if – else & else if ladder ?  
    b) Write a program to find the roots of quadratic equation ax2 + bx + c = 0 . 

9. What is an Array? How to declear and initialize it ? Write a program to sort a list of no’s in ascending order ? 

10. Write notes on the folloeing :- 
i) POINTER 
ii) FUNCTION 
iii) BREAK  &  CONTINUE