There are different kinds of disabilities that impair the ability of an individual to function normally. Some specific types of disabilities have an impact on computer usage too.
key Designed for
Sticky Keys ( for use modifier keys ) physical disabilities
Filter Keys ignore repeated keystrokes on keyboard(physical disabilities)
Toggle Keys vision impairment or cognitive disabilities.
SoundSentry generates visual warnings
Serial key difficulty in using keyboard and mouse
Narrator and Magnifier : Useful for vision impairment
mobile impairment: sticky keys and toggle keys
What is the use of Serial keys ?
It is an accessibility feature that assists people that have difficulty in using a keyboard or a mouse or both. They can use special devices such as Sip, Puff and Breath Switches to provide input to the computer through serial ports.
What is the use of Toggle keys ?
It is an accessibility feature which is designed for people who have vision impairment or cognitive disabilities. When toggle keys are turned on, the computer emits a high sound when the locking keys, such as Caps Lock, Num Lock, Scroll Lock are switched on and a low sound when they are switched off.
What is the use of Sticky keys ?
It is an accessibility feature to help computer users with physical disabilities. It allows the user to press and release a modifier key, such as Ctrl, Alt, Shift etc. and have it remain active until any other key is pressed.
What is the use of Filter keys ?
- It is an accessibility feature that tells the keyboard to ignore repeated keystrokes, making typing easier for people with hand tremors.
What is the use of Mouse keys ?
MouseKeys is an accessibility feature that assists people who have difficulty using a mouse. This option uses the keyboard (especially numeric keypad) as a pointing device instead of a mouse.
Q. Mention some accessibility features provided in Microsoft Windows for Ease of Access to people with disabilities.
Filter keys, Mouse Keys,Toggle keys, sticky keys and On screen keyboard feature
What is the use of Magnifier ?
Temporarily enlarge a portion of screen
What is narrator ?
It is screen reading app which reads out aloud the text on the computer screen
Explain any three types of impairments that impact computer usage?
Vision: People who are blind or low vision. They cannot fully access visual material on computer screen
Hearing: People with hearing impairment cannot perceive the audio contents
Mobility: people with mobility impairments find it is difficult to operate devicies like keyboard and mouse