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Computer Getting Started with “C” Test Online

Mustansar KhanLast Updated: October 15, 2025

Start your preparation for Computer Getting Started with “C” Test Online. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

Important Computer Getting Started with “C” Question and Answer

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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Getting Started with “C” Practice Test Online With Explanation

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

return

break

stop

exit

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

int arr[] = new int[10];

int arr[10];

array int arr[10];

int arr(10);

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

switch

break

while

4. Which operator is used to dereference a pointer?

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

while

do-while

None

for

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

float

2value

value_2

@count

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

power()

exp()

sqrt()

pow()

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

3.33

3.0

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

10 + 20

Error

1020

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

define

new

struct

typedef

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

getchar()

input()

read()

getc()

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

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

cout << "Hello World";

print("Hello World");

printf("Hello World");

echo("Hello World");

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

stdio.h

math.h

conio.h

stdlib.h

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

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

The function returns a number

The function returns no value

The function is private

The function has no parameters

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

include stdio

#import stdio.h

using stdio.h

#include

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

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

;

20. Which operator is used for assignment in C?

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

int func;

func int();

int func();

declare func();

22. Which symbol is used for comments in C?

// or /* */

23. Which of the following is a relational operator?

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

Error

25. What is a syntax error?

Error in logic

Run-time error

Error after compilation

Mistake in program structure

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26. How do you declare a variable in C?

declare x;

var x;

variable x;

int x;

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

define

const

constant

static

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

pointer int ptr;

int &ptr;

int *ptr;

int ptr;

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

equals

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

NULL

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

int

char

long

float

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

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

.py

.java

.cpp

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

int

char

string

float

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

stdlib.h

math.h

string.h

conio.h

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

start()

main()

init()

begin()

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

#define

static

Both A and B

const

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

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

puts()

echo()

print()

scanf()

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

math.h

stdlib.h

string.h

conio.h

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

2.5

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

4 bytes

8 bytes

2 bytes

1 byte

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

mutable

auto

static

return

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

End the program

Skip the current iteration

Exit the loop

Restart the loop

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

Returns control to the caller

Loops the function

Prints a message

Ends the program

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

char

int

float

void

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

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

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

func

function

No keyword needed

define

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

num

integer

number

int

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