1-Pointer variables are just memory addresses and can be assigned to one another without regard to type.

True

False

2-The pointer in the last node of a linked list is often set to NULL because it prevents memory leak

True

False

3-The root node in a tree is the only node that has a parent.

True

False

4-A programmer must have the source code for libraries to extend them, even using inheritance.

True

False

5-In recursion, it is unnecessary to decide whether a stopping case has been reached.

True

False

6-Virtual functions are implemented with a table look up that is done at run time.

True

False