Hello students welcome to CSE Study247, Today I am provide you MCQs on Function in C.
This page provide 20 Multiple choice question with Answer that is very useful of Computer science students like preparation of many exam Like ( ISRO,DRDO ,Semester, Interview, TCS , Railway & another Government Sector)
❤️ TOP 500+ C Programming Question and Answer
C programming is the basic language of programming that help to learn another language. So this MCQ is very useful for you.
C is a general purpose ,high level language that originally developed by Dennis Ritchie to develop the UNIX operating system at Bell labs.
Q.1 What is the default return type of a function in C if it is not explicitly specified in the definition?
- A) int
- B) void
- C) float
- D) None
Q.2 What is the default parameter passing mechanism used in the C programming language?
- A) Call by value
- B) Call by reference
- C) Both A & B
- D) None
Q.3 Is it possible for a function in C to return an entire structure to the calling function?
- A) TRUE
- B) FALSE
- C) May Be
- D) None
Q.4 What are the two primary types of functions available in the C Language?
- A) Library Functions
- B) User Defined Functions
- C) Both A & B
- D) None
Q.5 Which of the following is a requirement for matching function arguments between the call and the definition?
- A) Number of arguments should be the same
- B) Type of each argument should match
- C) Order of arguments should be the same
- D) All the above
Q.6 Which of the following is an example of a function created by the programmer (User Defined)?
- A) sum()
- B) sqrt()
- C) pow()
- D) None
Q.7 Which of the following is considered a primary advantage of using functions in programming?
- A) It reduces the size of the program
- B) Reduces complexity
- C) Easier to understand and debug
- D) All of these
Q.8 Which characters are legally allowed to be used in a C function name identifier?
- A) Alphabets, Numbers, %, $, _
- B) Alphabets, Numbers, Underscore ( _ )
- C) Alphabets, Numbers, %
- D) None
Q.9 What is the maximum limit on the number of functions a single C program can contain?
- A) 1
- B) 50
- C) 100
- D) No Limit
Q.10 What do we call a function that contains a statement within its body to call itself?
- A) Self Function
- B) Recursive Function
- C) Static Function
- D) None
Q.11 What are the functions that are already provided by the C compiler in various header files called?
- A) User defined function
- B) Predefined Function
- C) Static Function
- D) None
Q.12 Which of the following are benefits associated with modular programming using functions?
- A) Reusability of code
- B) Better readability
- C) Both A & B
- D) None
Q.13 Can a programmer create custom functions to perform specific tasks unique to their program's requirements?
- A) True
- B) False
- C) Can't be said
- D) None
Q.14 What is the formal term used for the statement that declares a function's name, return type, and parameters?
- A) Function definition
- B) Function prototype
- C) Function call
- D) None
Q.15 In the context of function parameters, which type of variable is declared in the function's header to receive values from the caller?
- A) Actual parameters
- B) Formal parameters
- C) Global variables
- D) None
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