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ECAT Computer Getting Started with “C” Test Online

Mustansar KhanLast Updated: May 1, 2025

ECAT Computer Getting Started with “C” Test

ECAT Computer Science Chapter 18 Getting Started with “C” Online Test

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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ECAT Getting Started with “C” Test Online MCQs

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1. What does the return statement do in a function?

Prints a message

Returns control to the caller

Ends the program

Loops the function

2. What is the size of an int in C (typically on 32-bit systems)?

2 bytes

4 bytes

8 bytes

1 byte

3. Which operator is used for assignment in C?

4. Which keyword is used to create a constant in C?

const

static

define

constant

5. Which of the following loops executes at least once?

do-while

while

for

None

6. How do you declare a variable in C?

var x;

declare x;

int x;

variable x;

7. Which keyword is used to exit a loop early?

stop

break

return

exit

8. Which of the following operators is used to increment a variable by 1?

9. Which of the following is a correct function prototype?

declare func();

func int();

int func();

int func;

10. Which of the following is a valid data type in C?

num

number

integer

int

11. Which of the following is used to declare a constant in C?

Both A and B

static

#define

const

12. Which of the following is used for string handling in C?

conio.h

string.h

stdlib.h

math.h

13. Which character is used to terminate a string in C?

NULL

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

define

function

func

No keyword needed

15. Which keyword is used to define a user-defined data type?

define

new

struct

typedef

16. Which of these is a looping statement in C?

switch

break

while

17. Which of the following is the correct syntax to define an array?

int arr[10];

int arr(10);

array int arr[10];

int arr[] = new int[10];

18. Which escape sequence is used to insert a new line in C?

19. Which operator is used to dereference a pointer?

20. How do you include the standard I/O header in a C program?

#include

using stdio.h

#import stdio.h

include stdio

21. What is a syntax error?

Mistake in program structure

Error in logic

Error after compilation

Run-time error

22. What is the use of the continue statement in loops?

Restart the loop

Skip the current iteration

End the program

Exit the loop

23. What is the result of sizeof(char) on most systems?

24. Which of the following is a correct extension for a C source file?

.java

.cpp

.py

25. Which of the following is not a valid C keyword?

return

mutable

auto

static

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26. Which of the following is a relational operator?

27. What will printf("%d", 10 + 20); output?

10 + 20

1020

Error

28. Which of the following is a valid identifier in C?

2value

@count

value_2

float

29. What is the correct syntax to output "Hello World" in C?

echo("Hello World");

cout << "Hello World";

printf("Hello World");

print("Hello World");

30. Which operator is used to compare two values for equality?

equals

31. What is the default return type of main() in C?

float

void

char

int

32. Which header file is used for mathematical functions like sqrt()?

string.h

conio.h

math.h

stdlib.h

33. What does the keyword void indicate when used in a function?

The function returns a number

The function is private

The function has no parameters

The function returns no value

34. Which library function is used to calculate power in C?

sqrt()

pow()

power()

exp()

35. Which symbol is used for the address-of operator in C?

36. Which format specifier is used for float values in C?

37. What is the output of printf("%c", 65);?

Error

38. What will the expression 10 / 3 return in C?

3.0

3.33

39. Which of the following functions is the entry point of a C program?

init()

main()

start()

begin()

40. Which format specifier is used to print characters in C?

41. Which symbol is used for comments in C?

// or /* */

42. Which of the following data types can store real numbers?

char

long

int

float

43. Which of the following is used to take input from the user?

print()

scanf()

puts()

echo()

44. Which data type is used to store a single character?

string

char

int

float

45. What is the result of 5 % 2 in C?

2.5

46. Which header file is needed to use printf() and scanf()?

stdlib.h

stdio.h

conio.h

math.h

47. What is the correct way to declare a pointer in C?

pointer int ptr;

int *ptr;

int &ptr;

int ptr;

48. Which of the following is a logical operator in C?

49. Which function is used to read a single character from the user?

getc()

input()

getchar()

read()

50. Which symbol is used to indicate the end of a statement in C?

;

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Mustansar KhanLast Updated: May 1, 2025

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ECAT Computer Getting Started with “C” Test Online

ECAT Computer Getting Started with “C” Test

ECAT Computer Science Chapter 18 Getting Started with “C” Online Test

ECAT Getting Started with “C” Test Online MCQs

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ECAT Computer Getting Started with “C” Test

ECAT Computer Science Chapter 18 Getting Started with “C” Online Test

ECAT Getting Started with “C” Test Online MCQs

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