1. What
is pure virtual function?
A class is made abstract by declaring one or more of its
virtual functions to be pure. A pure virtual function is
one with an initializer of = 0 in its declaration
2. Write a Struct Time where integer m, h, s are its
members
struct Time
{
int m;
int h;
int s;
};
3.How do you traverse a Btree in Backward in-order?
Process the node in the right subtree
Process the root
Process the node in the left subtree
4. What is the two main roles of Operating System?
As a resource manager
As a virtual machine
5. In the derived class, which data member of the base
class are visible?
In the public and protected sections. |
