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Identify methods that can be used to improve the accessibility of systems.


Teaching Note:

S/E Examples include touch screen, voice recognition, text-to-speech, Braille keyboard.


Sample Question:


JSR Notes:

"Accessibility means access. It refers to the ability for everyone, regardless of disability or special needs, to access, use and benefit from everything within their environment. It is the “degree to which a product, device, service, or environment is available to as many people as possible.”  Wikipedia - Accessibility

Founded on the principles of Universal Design, the goal of accessibility is to create an inclusive society for people with physical, mobility, visual, auditory or cognitive disabilities. This means everyone has equal access to perceive, understand, engage, navigate and interact with all elements of the physical and digital world."


Turn around the way of looking at this to be "Who are touch screens good for?"

Methods that can be used to improve the accessibility of systems:

In the Apple OS (formerly called Universal Access) now called Accessibility Preferences there are many, many more things which help accessibility. Rather than list them here, practically remind yourself of them by going there and trying them out. The categories are:

...take a look...Click on the Apple in the upper left-hand corner, go to System Preferences, and then Accessibility.

And a couple more videos collected by Mr Loaurnal:



CompSci2014.wikispaces.com ***


Why is voice control not perfect yet? Actually a lot of YouTube videos have the closed captioning auto generated - the text that is not confidently displayed will be in a lighter color. But most is very accurately auto generated. (just click on cc to see!)