Explanation:

- Option 1: Mouse

- A mouse is a handheld device used to move the cursor precisely on a screen.

- It detects two-dimensional motion relative to a surface.

- Correct Answer.

- Option 2: Joystick

- A joystick is a stick that pivots on a base and reports its angle or direction to the device it controls.

- Commonly used for computer games and allows the user to move the cursor in different directions.

- Correct Answer.

- Option 3: Light pen

- A light pen is a pointing device that allows the user to point to displayed objects on the screen.

- It provides more direct interaction by allowing the user to draw or select items where the pen touches.

- Option 4: Both a and b

- This option indicates both a mouse and joystick can move the cursor.