Monday, October 7, 2013

Ease of Access and Universal Access (Chapter 7)






Both Macintosh and Windows 7 provide additional support for students with disabilities. Below are some of the features along with which students would benefit from them underneath.


  • Control computer solely with mouse or keyboard
    • students with poor fine motor control
    • students with limited range of motion
    • students with difficulty in visually tracking mouse pointer
  • receive information by reading the monitor or listening with text-to-speech
    • students with reading disabilities or attention deficits 
  • one-button mouse
    • students who are able to use only one hand or has better control with one hand
  • enlarged icons
    • Students with 
      • low vision
      • visual perceptual issues 
      • hand-eye coordination problems
      • hand tremors
      • poor fine motor control
      • cognitive deficits
  • set speed of mouse travel
    • increase for students with limited range of motion
    • decrease for students with visual tracking difficulty, poor fine motor control, or difficulty raining head to monitor the movement of the mouse pointer
  • set timing for double click
  • set keyboard repeat delay
    • students with poor fine motor control
    • students with difficulty raising head to check for typing accuracy
  • set keyboard repeat speed
Below are some additional operating system features are provided for users with disabilities and  the characteristics of students for whom these specific features could be appropriate.

  • Students with sensory impairments
    • hard of hearing deafness
      • replace auditory prompts and signals with visual signals, icons or captions
    • visual impairments or blindness
      • apply a high-contrast color scheme
      • screen magnification



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