Question

a(n) ___ is a pen - like input tool that is used with a variety of touchscreen devices.

• stylus
• touchpad
• dot matrix
• trackball

Explanation:

To solve this, we analyze each option:

• Stylus: A pen - like input tool for touchscreen devices.
• Touchpad: A flat, touch - sensitive surface, not pen - like.
• Dot matrix: A type of display or printing technology, not an input tool for touchscreens in this context.
• Trackball: A ball - based pointing device, not pen - like.

So the correct option is the one that matches the description of a pen - like input tool for touchscreens.

Answer:

A. stylus