PCD Assignment-IV for III I.A.

1. Write a c program to read and display 'n' students information(roll no, name and marks) using    
    arrays of structure.

2. Discuss 'nested structure' with example.

3. What is 'typedef statement'?Give examples.

4. What is file? Discuss defining, opening and closing a file with syntax and example.

5. Discuss the following "File Manipulation Functions" with syntax and examples.
    getc() and putc()
    getw() and putw()
    fscanf() and fprintf()
    gets() and puts()

6. What is pointer? Discuss its declaration and initialization with syntax and examples.

7. What is dynamic memory allocation? Explain the following functions with example.
     malloc(), calloc(), realloc(), free()

8. List and explain non-primitive data structures. (stack,queue,linked list, tree and graph)

9. What are preprocessors? list and explain 3 types.