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1. Virtual Functions in C++(Refer to 13'th chapter first two
examples of LAFORE Book)
2. Which of the following is not true regarding FRIEND function
Ans:If y is friend of x and z is friend of y then z can access private of x.


3. Given some program on "&" operator overloading.


4.

class X{
public:X(){ cout<<"This is Base";}
};
class Y:public X
{ public:Y(){cout<<"This is Derived";}};
what is printed when an object of Y is created?


5. One question on reference variable in C++.

Ans:&a.
 


1. Number of nodes in Binary tree with height 3

Ans:7(Refer to Formula 2^^n-1)


2. TCP/IP is used in?

Ans:LAN/WAN


3. Host IP Address is? Ans:32 bits OR 4 bytes.