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

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

mutable

static

auto

return

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

const

static

define

constant

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

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

NULL

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

string.h

math.h

stdlib.h

conio.h

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

The function has no parameters

The function returns a number

The function returns no value

The function is private

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

init()

begin()

start()

main()

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

Both A and B

static

const

#define

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

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

;

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

3.0

3.33

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

equals

14. Which of the following is a relational operator?

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

string

float

char

int

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

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

return

exit

break

stop

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

int func();

func int();

int func;

declare func();

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

Error

1020

10 + 20

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

None

do-while

for

while

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

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

4 bytes

2 bytes

1 byte

8 bytes

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

Error

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

conio.h

stdlib.h

string.h

math.h

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

using stdio.h

#import stdio.h

include stdio

#include

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

printf("Hello World");

print("Hello World");

echo("Hello World");

cout << "Hello World";

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

read()

getc()

getchar()

input()

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

int &ptr;

pointer int ptr;

int *ptr;

int ptr;

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

Loops the function

Returns control to the caller

Prints a message

Ends the program

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

2.5

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

typedef

new

define

struct

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

.py

.java

.cpp

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

sqrt()

exp()

power()

pow()

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

char

int

float

long

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

value_2

@count

float

2value

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

print()

scanf()

echo()

puts()

37. Which symbol is used for comments in C?

// or /* */

38. Which operator is used for assignment in C?

39. What is a syntax error?

Mistake in program structure

Error after compilation

Error in logic

Run-time error

40. Which operator is used to dereference a pointer?

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

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

No keyword needed

function

func

define

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

int

void

float

char

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

while

switch

break

45. How do you declare a variable in C?

int x;

declare x;

variable x;

var x;

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

integer

int

num

number

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

int arr(10);

int arr[10];

int arr[] = new int[10];

array int arr[10];

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

Skip the current iteration

Exit the loop

End the program

Restart the loop

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

math.h

stdlib.h

stdio.h

conio.h

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

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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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