1), What is data-structure? Provide three examples of data structures.

2), What are various data-structures available?

3), What is algorithm?

4), What are common operations that can be performed on a data-structure?

5), What is a queue in data-structure and why do we use queues?

6), What is a binary tree?

7), What is a recursive function?

8) What is an abstract class?

9). What is an interface?

10), State three differences between an abstract class and an Interface.