What are the C programming questions asked in interview?
What are the C programming questions asked in interview?
C Basic Interview Questions
- Why is C called a mid-level programming language?
- What are the features of the C language?
- What is a token?
- What is the use of printf() and scanf() functions?
- What’s the value of the expression 5[“abxdef”]?
- What is a built-in function in C?
- What is a Preprocessor?
What is C language questions and answers?
C programming language Interview Questions and Answers
- What is modular programming?
- How many keywords & operators are used in c Language?
- What is variable?
- What is the return type of printf() function, and what it returns?
- What is the return type of scanf() function, and what it returns?
What are the main topics in C?
C Programming Language
- Basics:
- Variable Declaration, Definition and Scope:
- Data Types:
- Storage Classes:
- Input/Output:
- Operators:
- Preprocessor:
- Arrays & Strings:
What is void main in C?
The void main() indicates that the main() function will not return any value, but the int main() indicates that the main() can return integer type data. When our program is simple, and it is not going to terminate before reaching the last line of the code, or the code is error free, then we can use the void main().
WHAT IS NULL pointer in C?
A null pointer is a pointer which points nothing. Some uses of the null pointer are: a) To initialize a pointer variable when that pointer variable isn’t assigned any valid memory address yet. b) To pass a null pointer to a function argument when we don’t want to pass any valid memory address.
What is Getch?
getch() is a nonstandard function and is present in conio. h header file which is mostly used by MS-DOS compilers like Turbo C. It is not part of the C standard library or ISO C, nor is it defined by POSIX. Like these functions, getch() also reads a single character from the keyboard.