Answer Posted / pradip mishra(b-tech it)

Assistive technologies — voice interfaces, screen readers,
alternate input devices, and so on — are useful not only
for people with disabilities, but also for people using
computers in non-office environments. For example, if
you're stuck in a traffic jam, you might use assistive
technologies to check your email, using only voice input
and output. The information that enables assistive
technologies can be used for other tools, as well, such as
automated GUI testers and input devices such as
touchscreens. Assistive technologies get information from
components using the Accessibility API,

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