Trivia(Explore in depth)

Which of the following is the correct syntax to declare an integer variable in c?

• int x;

• integer x;

• x as int;

• int = x;

Which function is used to print output in c?

• print()

• cout <<

• printf()

• cin<<

Answer explanation

What will be the output of the following code?

• 2.5

• 2

• 3

• Error

Which of the following is the correct syntax to declare a pointer to an integer in c?

• int *ptr;

• int ptr*;

• int &ptr;

• pointer int *ptr;

What will be the output of the following code?

• True

• False

• May be True

• May be False

Which of the following is used to dynamically allocate memory in c?

• alloc()

• new

• malloc()

• create()

What will be the output of this code?

• 21

• 22

• 20

• Undefined Behavior

Which of the following is a valid function declaration in c?

• int function x()

• function int x()

• int x(int a, int b);

• int x(int a int b);

Which of the following is a correct way to declare a multi-dimensional array?

• int arr[10][10];

• int arr[];

• array arr[10,10];

• int arr(10, 10);

What is the size of int on 32-bit system?