Interview Questions in C

List of Popular Interview Questions in C

Ques. : Explain C Programming Language.

Ques. : Why is C known as a Mother Language?

Ques. : Why is C called a Mid-Level Programming Language?

Ques. : Who is the Developer of C language?

Ques. : When was the C Language developed?

Ques. : What is the printf() and scanf() statement in C?

Ques. : How do we use comments in C?

Ques. : What is the header file in C and why they are used?

Ques. : Why are the header files normally used at the top of the program?

Ques. : What is the # include statement in C?

Ques. : What is void in C?

Ques. : What is void main() in C?

Ques. : What is getch() in C?

Ques. : What is clrscr() in C?

Ques. : What is type conversion in C? Say its type.

Ques. : What is a keyword/reserved word in C? List any five C keywords.

Ques. : What is a variable in C?

Ques. : What are local and global variables in C?

Ques. : What is the scope of the variable in C?

Ques. : What is the basic datatype in C?

Ques. : What is modifier in C?

Ques. : How much memory is occupied by int/float/char datatype in C?

Ques. : What is an Identifier in C?

Ques. : What is the token in C?

Ques. : What is the escape sequence in C?

Ques. : What is the operator in C? Say any five-operator type.

Ques. : What is the unary and binary operator in C?

Ques. : What are pre and post-increment/decrement operators in C?

Ques. : What is the difference between i++ and ++i in C?

Ques. : What is the difference between = and == in C?

Ques. : What is the control statement in C?

Ques. : What is the conditional statement in C?

Ques. : What is a looping statement in C? Discuss its type.

Ques. : What is an infinite loop in C?

Ques. : What is a nested loop in C? Explain the inner loop and outer loop.

Ques. : What is the jumping statement in C?

Ques. : What is the goto statement in C?

Ques. : What is the continue statement in C?

Ques. : What is a switch case statement in C?

Ques. : What is a break statement in C?

Ques. : What is the exit statement in C?

Ques. : What is the continue statement in C?

Ques. : What is the array in C?

Ques. : What are the advantages of the array in C?

Ques. : What are the disadvantages of the array in C?

Ques. : How many types of arrays are in C?

Ques. : What is static memory allocation in C?

Ques. : What is dynamic memory allocation in C?

Ques. : What is the string in C?

Ques. : What is a NULL character in C?

Ques. : What is the difference between an array and a string in C?

Ques. : What is gets(), puts(), getche() etc. function in C?

Ques. : What is a string function in C? List any five.

Ques. : What is the difference between a character and a string in C?

Ques. : What is the pointer in C?

Ques. : What is the advantage of using of pointer in C?

Ques. : What is a Null pointer in C?

Ques. : What is the wild pointer in C?

Ques. : What is a near, far, and huge pointer in C?

Ques. : What is a dangling pointer in C?

Ques. : What is the array of pointers in C?

Ques. : What is the pointer to pointer in C?

Ques. : What is the function in C?

Ques. : What is a function prototype in C?

Ques. : What are the formal and actual parameters in C?

Ques. : What is the function calling in C?

Ques. : What is the return statement in C?

Ques. : What is the meaning of return 0 in C?

Ques. : What recursion in C?

Ques. : What is call by value and call by reference in C?

Ques. : What are the different Storage Class Specifiers in C?

Ques. : What is Structure in C?

Ques. : What is the advantage of structure in C?

Ques. : What is Union in C?

Ques. : What is the difference between structure and union in C?

Ques. : What is a control typedef statement in C?

Ques. : What is sizeof() statement in C?

Ques. : What is file handling in C?

Ques. : What is the FILE datatype in C?

Ques. : List any five File functions in C.