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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.
Test Helpful For:	ECAT Entry Test Computer Online Test Interview Questions about Computer All Universities Entrance Test Recruitments Tests

ECAT Getting Started with “C” Test Online MCQs

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

2.5

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

3. Which operator is used for assignment in C?

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

string.h

stdlib.h

conio.h

math.h

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

None

while

do-while

for

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

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

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

2 bytes

1 byte

8 bytes

4 bytes

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

func int();

int func;

declare func();

int func();

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

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

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

string

char

int

float

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

Returns control to the caller

Loops the function

Prints a message

Ends the program

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

init()

main()

begin()

start()

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

const

define

constant

static

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

#define

Both A and B

static

const

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

conio.h

string.h

math.h

stdlib.h

18. How do you declare a variable in C?

var x;

declare x;

int x;

variable x;

19. What is a syntax error?

Error after compilation

Mistake in program structure

Run-time error

Error in logic

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

;

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

printf("Hello World");

print("Hello World");

echo("Hello World");

cout << "Hello World";

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

Error

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

int arr(10);

int arr[] = new int[10];

array int arr[10];

int arr[10];

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

10 + 20

1020

Error

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

NULL

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

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

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

End the program

Skip the current iteration

Exit the loop

Restart the loop

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

3.33

3.0

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

The function is private

The function has no parameters

The function returns no value

The function returns a number

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

exp()

sqrt()

pow()

power()

32. Which operator is used to dereference a pointer?

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

new

define

struct

typedef

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

switch

while

break

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

func

No keyword needed

define

function

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

long

int

char

float

37. Which symbol is used for comments in C?

// or /* */

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

float

void

int

char

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

int

number

num

integer

40. Which of the following is a relational operator?

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

read()

getc()

getchar()

input()

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

conio.h

math.h

stdio.h

stdlib.h

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

.cpp

.java

.py

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

return

stop

exit

break

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

value_2

2value

float

@count

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

include stdio

#import stdio.h

#include

using stdio.h

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

return

auto

mutable

static

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

puts()

echo()

print()

scanf()

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

int &ptr;

int *ptr;

pointer int ptr;

int ptr;

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

equals

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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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