1) describe what is meant by Data Structure. List some types of non linear Data Structure.
2) Specify the number of bytes that will be assigned by C-compiler for following declaration:
a) Int x 
b) Char y 
c) int a
d) float b
3) Describe following given concept:-
b) Data items
c) Group items
d) Elementary items.
4) Describe the data type and draw the hierarchy of data types.
5) describe what Data Structure is and describe its classification.
6) Specify and describe some of the Data Structure operations.
7) State what is algorithm and describe some of its characteristics.
8) describe what algorithm efficiency is.
9) What is Big ’O’ Notation.