CLASS XI COMPUTER SCIENCE PAPER FOR HALF YEARLY EXAM 2010

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IF YOU LIKE THE MATERIAL TO BE USEFUL THEN PLEASE GIVE FEED BACK AT [email protected] Half Yearly Examination 2009 Subject : Computer Science Time Allowed : 3 hours

Class :Class XI Maximum Marks: 70

General Instructions: (i) All questions are compulsory. (ii) Programming Language: C++ 1.

(a) (b)

(c)

What do you mean by abstraction and encapsulation? How are these two terms interrelated? 2 Name the other header files that shall be needed for the following code: 1 #include using namespace std; int main() { char ch='b'; int x=45; x = log10(x); cout20;x+=4) { if(x%5==0) cout