Function - C Programming MCQ Questions and Answers

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Each section contains 100 MCQs on Function .

How is the scope of a local variable defined in C?

A) Limited to the function where it is declared B) Limited to the entire program C) Limited to the block where it is declared D) Limited to the main() function

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is a recursive function in C?

A) A function that calls itself B) A function that uses a loop C) A function that returns a large value D) A function that takes no arguments

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Answer & Solution

Answer: Option A

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What is the result of the expression abs(-5) in C?

A) -5 B) 5 C) 0 D) Error

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Answer & Solution

Answer: Option B

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In C, what is a function definition?

A) A declaration that specifies a function's name, return type, and parameters B) A declaration that specifies a function's name and return type C) A block of code that specifies a function's behavior D) A variable declared within a function

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Answer & Solution

Answer: Option C

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What is the purpose of the 'extern' keyword when declaring a function in C?

A) To specify that the function is not defined in the current file B) To declare a function as a constant C) To declare a function with a variable number of arguments D) To specify that the function is recursive

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Answer & Solution

Answer: Option A

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What is the purpose of the 'static' keyword when used with a function in C?

A) To make the function return a static value B) To specify that the function can only be called once C) To limit the function's visibility to the current source file D) To make the function public

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Answer & Solution

Answer: Option C

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In C, what is the purpose of the 'void' keyword as a function return type?

A) It specifies that the function doesn't return a value B) It specifies that the function returns an integer C) It specifies that the function returns a character D) It specifies that the function is recursive

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Answer & Solution

Answer: Option A

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How do you call a function named myFunction with two arguments in C?

A) myFunction(5, 10); B) myFunction(); C) myFunction(5)(10); D) myFunction[5, 10];

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Answer & Solution

Answer: Option A

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In C, what is a function's prototype?

A) A function's name and return type B) A declaration that specifies a function's name and parameters C) A function's documentation D) A function's source code

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Answer & Solution

Answer: Option B

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What is the result of the expression floor(5.7) in C, assuming proper inclusion of the math library?

A) 5 B) 6 C) 0.7 D) Error

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Answer & Solution

Answer: Option A

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