A) Stationary
B) Difficult to move
C) Dragged
D) None of these
🧠 Explanation:
A trackball is stationary, unlike a computer mouse. Knowing this helps students and tech enthusiasts understand input devices. Trackballs are key for studying computer science in school. Learning this helps with projects or exploring hardware. It’s useful for tech classes, ensuring clarity in academic work or general knowledge about computer peripherals.