COMPUTER ARCHITECTURE
INPUTOUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An eye typer can be used to
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track a users eye movements and record the movements as input
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lets the user log onto a website using their eye as biometric identification
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print something out in braille
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enlarge information on a screen
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Explanation:
Detailed explanation-1: -A source of invisible near-infrared or infrared light illuminates the pupil. Thus, a reflection generates on the cornea. An infrared camera will then record that reflection, delimit the center of the pupil, deduce eye rotation, and determine gaze direction.
Detailed explanation-2: -Eye-tracking is used in a variety of research, for example marketing research and usability testing studies, to help researchers understand which elements of a webpage or an advertisement draw people’s attention.
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