BE Electronics Engineering Semester 2 (FE First Year) - University of Mumbai Important Questions for Structured Programming Approach

Explain any 4 functions from string.h header file with suitable examples.

What is pointer? Explain how the pointer variable declared and initialized. 

Select the correct option from multiple choice question.

void main() {
char a[]= “Hello world”;
char *p;
p=a;
printf(“\n%d%d%d%d”,sizeof(a),sizeof(p),strlen(a),strlen(p) ); }

State True or False with reason.

Size of pointer variable is equal to the datatype it points to.

State True or False with reason.

The statement void p; is valid. 

Explain need of file data and various modes of files also write program to create edit copy of file. 

Explain file handling in c in details.[Note: Mention file type, file
modes, file related functions and its use)

Why files are needed? Explain all the opening modes. Write a program to create copy of the user specify names of source and destination files.