The document defines and describes several common computer parts:
- The printer transfers text, graphics, and pictures from the monitor to paper.
- The trackball is a pointing device that uses a ball that can be rolled to move the cursor.
- The disk drive reads CDs and hard disk drives store data on rapidly rotating magnetic platters.
- The USB port allows connection of multiple USB devices through a single port using a USB hub.
- The web camera is a video capture device that connects via USB or network to enable video calls and recording.