Science Fair Project Encyclopedia
Apple Universal Access
Apple Universal Access is a simple concept no operating system has been able to provide completely natively. It describes the ability to provide computing abilities to the blind, deaf, and handicapped. In Mac OS X 10.2 and 10.3, there are four panes to customize the accessibility settings.
Turn On/Off Screen Zooming Inverse Colors (White on Black) Set Display to Greyscale Enhance Constrast Enable Access for Assistive Devices Enable Text-To-Speech for Universal Access Preferences
Flash the screen when an alert sound occurs Raise/Lower Volume
Sticky Keys (Treat a sequence of modifier keys as a key combo) Slow Keys (Delay between key press and key acceptance)
Mouse Keys (Use the numeric keypad in place of the mouse) Mouse Pointer Delay Mouse Pointer Max Speed
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