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ECAT Computer Functions in “C” Test Online

Mustansar KhanLast Updated: May 1, 2025

ECAT Computer Science Functions in “C” Test

ECAT Computer Science Chapter 23 Functions in “C” Online Test

Total Questions:	20
Time Allowed:	20 Minutes
Total Marks:	20
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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ECAT Functions in “C” Test Online MCQs

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1. What does the void return type signify?

Returns a number

Returns zero

Returns a pointer

Returns nothing

2. What is the scope of a function declared as static?

Global

External

Function-level

File-level

3. Which of the following passes arguments by value in C?

Reference passing

Pass by address

Default parameter passing

Pointer passing

4. Which keyword is used to declare a function that can call itself?

recursive

No special keyword needed

recur

self

5. What is a function prototype?

A declaration of a function before its use

A function call

None of these

A function definition

6. Can we use the same function name for different return types?

Only in C++

Only in main()

Yes

7. What is the return type of main() usually?

float

char

int

void

8. Which of the following is a valid function declaration in C?

def sum(int, int);

function sum(int, int);

int sum(int, int);

sum(int, int);

9. Which keyword is used to define a function in C?

func

define

void

No keyword is required

10. Which of the following is not true about functions?

They reduce code duplication

They improve code readability

They can return more than one value directly

They help in modular programming

11. Which of the following functions is used to terminate a program?

continue

return

break

exit()

12. Which of the following is correct about recursion?

Every recursive function must have a condition to stop

Recursion is only allowed once

Recursion cannot be used in C

Recursion needs goto

13. Which of the following is used to return a value from a function?

break

exit

end

return

14. What is the default return type of a function in C if not specified?

int

char

float

void

15. Which of the following is not a valid return type of a function?

array

int

void

float

16. What is the correct syntax to call a function named display?

display();

display;

call display;

call display();

17. Which function is always present in every C program?

main()

start()

entry()

init()

18. Which header file is needed for exit()?

math.h

stdio.h

conio.h

stdlib.h

19. How many values can a function return in C?

Only one

Two

Unlimited

Zero

20. What is function overloading?

Not supported in C

Multiple functions with same name but different parameters

Function with multiple return types

Functions with same name and parameters

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Mustansar KhanLast Updated: May 1, 2025

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ECAT Computer Functions in “C” Test Online

ECAT Computer Science Functions in “C” Test

ECAT Computer Science Chapter 23 Functions in “C” Online Test

ECAT Functions in “C” Test Online MCQs

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ECAT Computer Science Functions in “C” Test

ECAT Computer Science Chapter 23 Functions in “C” Online Test

ECAT Functions in “C” Test Online MCQs

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