Bear with me folks, I'm learning about this as I go

Trace Research and Development Center HERE

IBM's Access DOS Utilities Index Page
   StickyKeys , MouseKeys, RepeatKeys, SlowKeys, BounceKeys, SerialKeys, ShowSounds and ToggleKeys 
 

Win 95 and NT, go to Control Panel>Accessibility Options.

StickyKeys
   Use if you want to use Shift, Ctrl, or Alt keys by pressing one at a time.
FilterKeys
   Use if you want Windows to ignore brief or repeated keystrokes, or slow the repeat rate.
ToggleKeys
   Use if you want to hear tones when pressing Caps Lock, Num Lock, or Scroll Lock.

SoundSentry
   Use if you want Windows to generate visual warnings when your system makes a sound.
ShowSounds
   Use to tell your programs to display captions for the speech and sounds that they make.

High Contrast
   Use this if you want Windows to use colors and fonts designed for easy reading.

MouseKeys
   Use if you want to control the pointer with the numeric keypad on your keyboard.

Automatic Reset
   Turns off Accessibility Options after set time.
Notification
   Make a sound or display a message when turning a feature on or off.
SerialKeys
   Allows you alternative access to keyboard and mouse features thru a serial port device.