Braille printers provide output. Such systems can provide independent access to abstracts, journals, syllabi, and homework assignments. All Aspects of Verbal Communication . Although hearing-impaired individuals face relatively minor barriers to computer use, some benefit from visual alternatives to audio output provided by some software packages. Additionally, portable computers with voice synthesis can be used as communication devices so that hearing-impaired persons without speech can participate in group discussions.
Telecommunication is a particularly powerful tool for students with hearing impairments.
With a computer and communications hardware and software they can independently access electronic bulletin boards, databases, electronic mail, discussion groups, and on-line services. Computer systems originally designed for collaborative student work, such as the Daedalus Integrated Writing Environment can function as a repository for accessible information between disabled students and classmates and teachers. To the extent that mobility impairment is the result of celebral palsy or other neurological impairment, speech accommodation is often required. Augmentative communications devices may be appropriate. In addition to convenient wheelchair accommodation, access for individuals with mobility impairments can be enhanced by plugging all computer components into power outlet strips with readily-accessible switches, which allows equipment to be carried around off more conveniently by disabled users.