MCQs on Function in C

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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 if it is not specified in function definition?

A) int
B) void
C) float
D) None

ANSWER= (A) int

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Q.2 The default parameter passing mechanism is

A) Call by value
B) Call by reference
C) Both A & B
D) None

ANSWER= (A) Call by value

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Q.3 Functions can return structure in c?

A) TRUE
B) FALSE
C) May Be
D) None

ANSWER= (A) TRUE

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Q.4 What are the types of functions in C Language?

A) Library Functions
B) User Defined Functions
C) Both A & B
D) None

ANSWER= (C) Both A & B

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Q.5 Choose a correct statement about C language function arguments.

A) Number of arguments should be same when sending and receiving
B) Type of each argument should match exactly
C) Order of each argument should be same
D) All the above

ANSWER= (D) All the above

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Q.6 Which of the following example of user defined function

A) sum()
B) sqrt()
C) pow()
D) None

ANSWER= (A) sum()

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Q.7 Which of the Advantage of function

A) It reduce the size of program
B) Complexity of a function is very less
C) Due to small size function are easier to understand and debugging
D) All of these

ANSWER= (D) All of these

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Q.8 What characters are allowed in a C function name identifier?

A) Alphabets, Numbers, %, $, _
B) Alphabets, Numbers, Underscore ( _ )
C) Alphabets, Numbers, %
D) None

ANSWER= (B) Alphabets, Numbers, Underscore ( _ )

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Q.9 What is the limit for number of functions in a C Program?

A) 1
B) 50
C) 100
D) No Limit

ANSWER= (D) No Limit

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Q.10 A function which calls itself is called a ___ function

A) Self Function
B) Recursive Function
C) Static Function
D) None

ANSWER= (B) Recursive Function

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Q.11 The functions which we create for specific task is known as —- functions

A) User define function
B) Predefine Function
C) Static Function
D) None

ANSWER= (B) Predefine Function

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Q.12 Which of the following advantages of modular programming

A) Reusability of code
B) Better readability
C) Both A & B
D) None

ANSWER= (C) Both A & B

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Q.13 Users can create their own functions for performing any specific task of the program

A) True
B) False
C) Cant’ be say
D) None

ANSWER= (A) True

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Q.14 Declaring a function is also called as ?

A) Function definition
B) Function prototype
C) Function call
D) None

ANSWER= (B) Function prototype

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Q.15 Find out the output for the following program

  void sum(int a,int b)
  {
  int z;
  int c;
  printf(“addition=%d”,c);
  }

A) b
B) a
C) Both
D) None

ANSWER= (B) a

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