Computer Knowledge - MCQ Practice Questions

Which loop construct in C guarantees execution at least once?

What is the scope of a variable declared inside a block?

How many times will the following loop execute: for(int i=0; i<5; i++) { if(i==3) break; }

Which of the following is a correct way to initialize a pointer to NULL?

What will be the value of x after executing: int x = 5; x += 3; x *= 2;

Which of the following correctly describes the relationship between arrays and pointers in C?

What is the output of the expression: $\frac{10}{3}$ * 3 in C?

Which preprocessor directive is used to include a custom header file?

What is the difference between a function declaration and a function definition in C?

Which of the following is the correct way to declare a pointer to a function that returns an int and takes two int parameters?

Which of the following is NOT a valid variable name in C?

What will be the output of: printf("%d", 5 + 3 * 2);?

What keyword is used to create a pointer variable in C?

What is the correct syntax to pass a 2D array to a function in C?

What will be printed by: int x = 5; printf("%d", ++x + x++);?

Which of the following correctly uses the ternary operator?

What is the purpose of the const keyword when used with a pointer?

What is the return type of malloc() function?

In the expression: int arr[10]; what is arr[5]?

Consider: int *p, q; What is the type of q?