A. Stationary
B. Dragged
C. Moved in small steps
D. None of these
🧠 Explanation:
A trackball is stationary, unlike a mouse, which moves over surfaces. For tech students, this highlights input devices, making it a key topic for studying computer hardware, IT systems, and digital literacy. Trackballs enhance precision. Understanding this ensures knowledge of input methods. It’s essential for analyzing computer systems, IT, and engineering. Studying trackballs offers insights into how devices control cursors, crucial for computer science, IT, and engineering.