Which of the following input devices is used to control the movement of the cursor by moving the device itself?
A. Keyboard
B. Joystick
C. Mouse
D. Trackball
Answer:D
Which of the following input devices is used to control the movement of the cursor by moving the device itself?
A. Keyboard B. Joystick C. Mouse D. Trackball
Explanation: A trackball is an input device that is used to control the movement of the cursor by moving the device itself. It is widely used in industrial and military applications.