This grounds the computer, and decreases the chance that a buildup of static electricity will occur. Static electricity is harmful to circuits. Those with two buttons versus three buttons. Explain the difference between the cursor and the mouse pointer. Keyboard Explain the difference from a standard typewriter keyboard.
Function keys can be on the left or at the top.
Numeric keypad also functions as the cursor pad. Explain what the cursor is again, and how the arrow keys, page up and down keys, and home and end keys work. Also talk about the ALT and CTRL keys. Mention the difference between a standard keyboard and an enhanced keyboard, where cursor keys are separate from the number pad keys. Show where connection is made to back of main case and to the keyboard itself.