CBSE Class 12 Computer Science Question paper 2010 (1)

CBSE Class 12 Computer Science Question paper 2010 (1). Students can download the last year question papers using the link below. Free download of examination question papers with solutions.Last 10 year question papers should be practised to get better marks in examinations.

1.  (a) What is the difference between automatic type conversion and type casting? Also, give a suitable C++ code to

          illustrate both.                                                                                                                             

     (b) Which C++ header file(s) will be essentially required to be included to run/ execute the following C++ code?

        void main( )                                                                                                                                   

         {             int Eno=123, char Ename[ ]=”Rehan Swamp”;

                       cout<<setw(5)<<Eno<<setw(25)<<EName<<endl;

          }

     (c) What do you understand by Polymorphism.? Also, give an example in C++ to illustrate the same.   

2. (a) Verify the following algebraically.                                                                                                   

          (A’+B’).(A +B)=A’.B+A.B’ 

     (b) Reduce the following Boolean Expression using K-Map :                                                                

        F (U, V, W, Z) = Σ (3, 5, 7, 10, 11, 13, 15)

3.  (a) What was the role of ARPANET in the Computer Network?                                                             

     (b) Which of the following is not an unit for data transfer rate?                                                              

           (i) bps

           (ii) abps

           (iii) gbps

           (iv) kbps

     (c) What is the difference between Trojan Horse and Virus in terms of computers?                                

     (d) Write the full forms of the following:                                                                                               

     (d1) GNU

     (d2) XML

     (e) Write one advantage of each for Open Source Software and Proprietary Software.                   

 Please click the link below to download pdf file of CBSE Class 12 Computer Science Question paper 2010 (1).