C programming

Question 1

How do you declare and initialize an array in C?

Accepted Answer

type array_name[size] = {value1, value2, ...};

Question 2

What is the purpose of the main() function in C?

Accepted Answer

To start the execution of the program

Question 3

How do you print something on the screen in C?

Accepted Answer

printf()

Question 4

Which loop in C executes at least once, even if the condition is false?

Accepted Answer

do-while loop

Question 5

What is the symbol used for comments in C?

Accepted Answer

//

Question 6

Which function is used to allocate a block of memory dynamically in C?

Accepted Answer

malloc

Question 7

What is the operator used to access the value at a pointer's memory address?

Accepted Answer

*

Question 8

Which operator is used for logical AND in C?

Accepted Answer

&&

Question 9

Which of the following is a correct if statement in C?

Accepted Answer

if (x == 10)

Question 10

What is the result of 5 % 2 in C?

Accepted Answer

1

Question 11

Which function is used to read a character from the standard input in C?

Accepted Answer

scanf

Question 12

What is the purpose of the ++ operator in C?

Accepted Answer

To increment a variable by 1

Question 13

In a two-dimensional array, how to access the value of the element at row i, column j in C?

Accepted Answer

array[i][j]

Question 14

Which header file should be included for input/output operations in C?

Accepted Answer

stdio.h

Question 15

How do you include a header file in C?

Accepted Answer

#include

Question 16

Which operator is used for equality comparison in C?

Accepted Answer

==

Question 17

Which operator is used to access the value stored in a variable's memory address?

Accepted Answer

&

Questions 17