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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 of the following is not a valid C keyword?

return

auto

static

mutable

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

equals

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

int arr(10);

array int arr[10];

int arr[] = new int[10];

int arr[10];

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

declare func();

func int();

int func;

int func();

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

value_2

@count

2value

float

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

char

int

float

string

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

#include

#import stdio.h

using stdio.h

include stdio

8. 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

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

const

static

constant

define

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

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

number

int

num

integer

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

while

None

do-while

for

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

input()

getchar()

getc()

read()

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

3.0

3.33

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

function

No keyword needed

define

func

16. Which of the following is a relational operator?

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

begin()

main()

start()

init()

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

2.5

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

exit

return

stop

break

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

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

float

char

void

int

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

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

exp()

power()

sqrt()

pow()

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

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

char

float

long

int

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

Loops the function

Ends the program

Returns control to the caller

Prints a message

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

echo()

scanf()

puts()

print()

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

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

string.h

stdlib.h

math.h

conio.h

30. Which operator is used to dereference a pointer?

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

pointer int ptr;

int *ptr;

int ptr;

int &ptr;

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

;

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

Error

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

2 bytes

1 byte

4 bytes

8 bytes

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

End the program

Skip the current iteration

Restart the loop

Exit the loop

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

stdlib.h

stdio.h

conio.h

math.h

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

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

Both A and B

#define

static

const

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

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

switch

while

break

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

.cpp

.py

.java

42. Which operator is used for assignment in C?

43. What is a syntax error?

Run-time error

Error after compilation

Mistake in program structure

Error in logic

44. How do you declare a variable in C?

declare x;

var x;

int x;

variable x;

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

NULL

46. Which symbol is used for comments in C?

// or /* */

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

struct

typedef

define

new

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

printf("Hello World");

echo("Hello World");

print("Hello World");

cout << "Hello World";

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

10 + 20

Error

1020

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

conio.h

math.h

stdlib.h

string.h

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Mustansar KhanLast Updated: October 15, 2025

Important Computer Getting Started with “C” Question and Answer

Getting Started with “C” Practice Test Online With Explanation

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