377307
Description
Mind Map by charcrawford, updated more than 1 year ago
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Created by charcrawford
about 11 years ago
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Specialist Hardware and Software
Devices for Disabled People
- Puff suck switch
- Excellent for someone with limited physical mobility
- You suck or puff to activate switch
- The switch is connected to the computer
- Specialist software
can take this input and
act on it many ways
- Excellent for someone with limited physical mobility
- Foot Mouse
- Used by someone with limited use of their hands
- Can be used to navigate through software programs and can select things
- Most consist of two segments, one to control cursor, the other to click
- They can include straps to hold the
foot in place. A long cable is
connected to the USB port
- Used by someone with limited use of their hands
- Eye Typer
- Useful for people who cannot use a
hand or foot operated mouse/ keyboard.
- A camera is mounted to the computer and is set
to focus on the user's eye
- The camera determines where the person is looking and monitors movements
- Slow blink = click
- Useful for people who cannot use a
hand or foot operated mouse/ keyboard.
- Braille Keyboard and Printer
- Writing system for the visually
impaired/blind. Made up of raised dots that
can be read by 'touch'
- Braille Keyboard: specialist input device that
allows the user to type and enter
text/instructions for the computer
- Braille Display: piece of equipment that connects to the computer. It reads
the screen text and presents it to the user via a refreshable braille display
- Braille Printer/ embosser: operates by embossing raised braille dots onto
braille paper. Pins are pressed into one side of the paper
- Writing system for the visually
impaired/blind. Made up of raised dots that
can be read by 'touch'
- Speaker and Mircophones
- Speakers
- Useful for visually
impaired people in terms of
text to speech systems
- The computer generated voice can sound
disjointed and sometimes pronunciation can
make the output difficult to understand
- Useful for visually
impaired people in terms of
text to speech systems
- Mircophones
- Useful for people who find it difficult to use
a keyboard and mouse
- Person speaks their input clearly and then
specialist software is used to convert the
speech/ commands in to text or other options
- Useful for people who find it difficult to use
a keyboard and mouse
- Speakers
- Screen Magnifier/ Zoom
- Zoom tool (software)
- Typically 100% to 500%
- Useful for people with poor eyesight
- Tablet computers also allow you to magnify part of
the screen with a certain gesture of your fingers
- Typically 100% to 500%
- Screen magnifier (hardware)
- They can magnify the video feed from a standard display and also
magnify paper documents placed beneath the video camera input
- They can magnify the video feed from a standard display and also
magnify paper documents placed beneath the video camera input
- Zoom tool (software)
- Predictive Text
- Input technology mostly found on mobile
phones and tablet computers
- Allows words to be entered with a single/few
key presses, then the software tries to predict
the most likely word that you want
- It allows you to type faster, and
reduce number of presses.
- Frustrating when it predicts
the wrong word
- Sticky keys
- An accessibility feature to aid users
who have physical disabilities
- Allows the user to press a 'modifier' key such as Shift, Ctrl,
Alt and have it remain active until another key is pressed
- An accessibility feature to aid users
who have physical disabilities
- Input technology mostly found on mobile
phones and tablet computers
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