A keyboard appears on the screen. The user selects letters using a pointing device. Sometimes input can be selected using scanning software which moves from letter to letter until it is over the desired letter. The user then clicks using a mouse or dwell software. Sometimes independent switches are used for click functions. Examples of product names: HandiKEY, HandiKEY Deluxe, Discover Screen, WiVik 2, or REACH Interface Author.
Keyboard in which a graphic of a standard keyboard displays on a user's screen; a pointing device can be used to press the keys. On-screen keyboards are used by people with limited hand mobility. 5.32 Onsite service agreement, 8.52
An on-screen keyboard, or virtual keyboard, is a graphical computer keyboard that enables people with physical disabilities to use a computer. If a person is not able to push the keys on an ordinary keyboard, he or she can push the keys on a virtual keyboard (picture) shown on the screen. This is done by clicking the keys with an ordinary mouse, a headmouse, eyemouse or scanning.