Final answer:
The most commonly used computer pointing device is the mouse.
Step-by-step explanation:
The most commonly used computer pointing device is the mouse. A mouse is a small handheld device that allows the user to move the cursor on the screen and click on items. It usually has buttons for left-clicking and right-clicking, along with a scroll wheel.
While trackballs, joysticks, and touchpads are also used to control the cursor on a computer screen, the mouse is the most popular choice due to its ease of use and familiarity.
For example, a mouse is widely used in various settings such as offices, schools, and gaming. It offers precise control and can be used on different surfaces, making it versatile and practical.