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Several options exist for students who can use a single switch
to operate computer software. A single switch can interface with
a computer to act as any single key or mouse function.
Frequently, computer-switch interfaces multiple switches, therefore
giving the student access to two keys/mouse controls. With special
software offering onscreen layouts of several key choices, a single
switch can control any combination of keys, mouse actions or software
commands. Key choices are often "scanned", where a highlighted
box moves over items on the screen one after the other, until the
student presses the switch to make a selection. This module will
show you that it's easier than it sounds
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