C Quiz

Which of the following is the correct way to declare an array of 10 integers in C

• int arr[10];

• int arr = [10];

• array[10] int;

• int[10] arr;

Which of the following correctly initializes a string in C?

• char str[] = 'Hello';

• char str[5] = "Hello";

• char str[6] = "Hello";

• string str = "Hello";

What is the output of the following code: printf("%d", 5 + 3 * 2);?

• 11

• 16

• 8

• 10

Which of the following is the correct syntax for a for loop in C?

• for (int i; i < 10; i++) {}

• for (int i = 0; i < 10; i++) {}

• for int i = 0; i < 10; i++ {}

• for (i = 0; i < 10; i++);

What is the size of an integer variable in C on a typical 32-bit system?

• 4 bytes

• 16 bytes

• 8 bytes

• 2 bytes

Which of the following is the correct way to define a function in C?

• def myFunction() {}

• myFunction() void {}

• function myFunction() {}

• void myFunction() {}

What will be the output of the following code: printf("%d", 10 / 3);?

• 10

• 3.33

• 3.0

• 3

Which of the following is the correct way to declare a pointer to an integer in C?

• pointer int ptr;

• int ptr*;

• ptr int;

• int *ptr;

What will be the output of the following code: printf("%d", 10 % 3);?

• 1

• 3

• 0

• 10

Which of the following correctly allocates memory for an array of 5 integers in C?

• int arr[5] = malloc(5 * sizeof(int));

• int arr = new int[5];

• int *arr = malloc(5 * sizeof(int));

• int arr[5] = (int*)malloc(5 * sizeof(int));