Flashcards
Disabled Devices
Cards in this deck (5)
- 1What is a puff suck switch?This kind of switch is excellent for someone with limited physically mobility. You simply suck or puff down the tube in order to activate a switch. The switch itself is connected to the computer. Specific software running on the computer can take this input and act on it in any number of ways.
- 2What is a foot mouse?Useful for people who have limited or no use in their upper arms. Foot mouse is used in the same way a normal mouse would be used to click on the screen. They consist of two segments. One segment will be used to control the cursor, the second segment is used to click the mouse or to select shortcuts. Most foot mice include straps that help to hold the device in place on the foot during use. A long cable runs from the mouse and plugs into the computer via a USB port.
- 3What is an eye typer?A camera is mounted onto the computer and is set to focus on the user's eye. The camera determines where the user is looking and monitors movements made by the eye. Mouse clicks are done with a slow eye blink.
- 4What is a braille keyboard?A braille keyboard is a specialist input devices that allows the user to type and enter text or instructions for the computer in braille. You can also get other braille devices such as a display to read off and a printer which will print in braille.
- 5How can speakers be used for visually impaired people?There are a number of text to speech software programs that enable any text on the screen to be selected with the keyboard or mouse. It is then spoken back to the user in a computer generated voice. The computer generated voice can sound disjointed and sometimes pronunciation can make the output difficult to understand. Speakers can also provide authority feedback to respond to the user. The sound can signal when something has been successful or provide a warning when something has gone wrong.
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- Description
- Flashcards on Disabled Devices, created by James Middleton0444 on 19/03/2015.
- Created by
- James Middleton0444 · Mar 2015
- Updated
- Nov 23, 2016
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