Wednesday, May 6, 2020
ACS for Blind or Visually Impaired Clients- myassignmenthelp.com
Question: Discuss about theACS for Blind or Visually Impaired Clients. Answer: For Blind or Visually Impaired Clients For the blind or visually impaired to be able to operate a computer, they need to perform input/output operations. While using a pointing device is impossible, a program should be designed to accommodate the user to perform Input operations. Therefore, it is critical for the program to include tools that will replace the pointing device with the keyboard as the only input device. A screen reader is essential as it allows the program to read text on the screen and output it as sound. Additionally, for images, there is an algorithm that scans an image and converts grayscale images into musical soundscapes(Sumner, 2014). For employees and students, keyboards should have a nib on the letters F and J that will guide the fingers during typing. Also, common commands should be automated to ease accessibility and reduce repetition. Clients with Limited or Poor Hand Coordination Clients with limited or poor hand coordination may encounter problem in performing normal twists and turns responsible for operating a computer. Therefore, it is critical that the program includes features that will allow the user to basic computer I/O operation with limited mobility. Incorporation of onscreen keyboard allows the use of a joystick or a tracking ball to press keys on the onscreen keyboard image. Additionally, use of an autocorrect feature will help a person with poor hand mobility to type unique letters that represent a word or a block of text( Vanderheiden, G., Vanderheiden K., 1992). Bibliography Vanderheiden, G., Vanderheiden K., 1992. Guidelines for the Design of Consumer Products to Increase Their Accessibility to People with Disabilities or Who Are Aging, Wisconsin: University of Wisconsin System. Sumner, T., 2014. Computer Program Allows the Blind to 'See' With Sound. [Online] Available at: https://www.sciencemag.org/news/2014/03/computer-program-allows-blind-see-sound [Accessed 15 April 2018].
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