Computer Knowledge - MCQ Practice Questions

What will be the memory size of the following struct? struct Point { int x; char c; int y; }

What is the correct way to initialize an array of 5 integers with all elements as 0?

Which of the following correctly declares a pointer to a pointer?

What is the output of sizeof(char) in C?

What is the scope of a variable declared inside a function in C?

How many times will the loop execute? for(int i = 0; i < 5; i++)

What is the difference between calloc() and malloc() in C?

What will be the value of x after: int x = 5; x += 3;

What is the correct syntax to open a file in C?

Consider the following code: int arr[] = {1, 2, 3, 4, 5}; int *ptr = arr; What is the value of *(ptr + 2)?

What is the output of the following code? for(int i = 1; i <= 3; i++) { if(i == 2) continue; printf("%d ", i); }

What happens when you try to access an array element beyond its size in C?

What is the output of: int x = 10; printf("%d", x++); printf("%d", x);

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

What is the size of int data type in a 32-bit system?

Which header file is required to use the printf() function?

In C, which operator has the highest precedence?

What is the purpose of the break statement in a loop?

Which of the following correctly declares a pointer to an integer?

What will be printed if char ch = 'A'; printf("%d", ch); is executed?