Pressing the switch activates a line and a pointing finger which the user zeros in on the item on which he wishes to click. SwitchMouse is a mouse emulator for IBM compatibles. It works with switches, and runs with all mouse drivers. Telewand is a headset, a long range input device that provides hands-free access to a Windows based system. Mouse functions are accomplished with a switch.
Touch screens allow someone to move the cursor by touching the screen directly.
A trackball allows someone who finds the mouse difficult to manuever a more manageable pointing tool. Like an upside-down mouse, the ball side is on the top, and can be rolled easily by any part of the body. A tiny reusable dot on one's forehead allows the device to translate head movements into movements of the computer's mouse cursor. Use any switch or dwell selection program to perform mouse button functions. Voice Type for Windows , from IBM , for dictation and navigation.