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

Getting Started with “C” Practice Test Online With Explanation

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

;

2. Which symbol is used for comments in C?

// or /* */

3. How do you declare a variable in C?

int x;

var x;

variable x;

declare x;

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

static

return

auto

mutable

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

NULL

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

Prints a message

Returns control to the caller

Loops the function

Ends the program

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

equals

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

1 byte

2 bytes

4 bytes

8 bytes

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

struct

new

typedef

define

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

int ptr;

int *ptr;

pointer int ptr;

int &ptr;

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

init()

start()

begin()

main()

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

int func;

func int();

int func();

declare func();

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

array int arr[10];

int arr[10];

int arr(10);

int arr[] = new int[10];

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

int

integer

num

number

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

2.5

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

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

scanf()

print()

puts()

echo()

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

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

float

int

string

char

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

The function returns no value

The function returns a number

The function has no parameters

The function is private

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

while

break

switch

22. Which operator is used for assignment in C?

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

getchar()

read()

getc()

input()

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

.cpp

.py

.java

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

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

string.h

math.h

conio.h

stdlib.h

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

stdlib.h

math.h

conio.h

string.h

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

sqrt()

exp()

pow()

power()

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

printf("Hello World");

cout << "Hello World";

echo("Hello World");

print("Hello World");

30. Which of the following is a relational operator?

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

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

define

No keyword needed

function

func

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

exit

return

stop

break

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

conio.h

stdlib.h

stdio.h

math.h

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

int

float

long

char

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

Error

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

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

float

void

char

int

39. What is a syntax error?

Run-time error

Error in logic

Error after compilation

Mistake in program structure

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

Exit the loop

Skip the current iteration

End the program

Restart the loop

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

None

for

do-while

while

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

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

2value

value_2

float

@count

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

10 + 20

1020

Error

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

#import stdio.h

#include

using stdio.h

include stdio

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

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

Both A and B

#define

static

const

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

3.33

3.0

49. Which operator is used to dereference a pointer?

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

define

constant

const

static

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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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