Write a simple example of a structure in C Language

Differentiate between call by value and call by reference.

Differentiate between getch() and getche().

Explain toupper() with an example.

Write a code to generate random numbers in C Language.

Can I create a customized Head File in C language?

What do you mean by Memory Leak?

Explain Local Static Variables and what is their use?

What is the difference between declaring a header file with < > and ” “?

When should we use the register storage specifier?

Which statement is efficient and why? x=x+1; or x++; ?