SSC
COMPUTER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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helps visually challenged people interface with computers
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autonomic computing
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virtualization
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screenless displays
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3-D printing
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Explanation:
Detailed explanation-1: -The most common example of Visual Image screenless display is a hologram. In these cases, light is reflected off some intermediate object (hologram, LCD panel, or cockpit window) before it reaches the retina.
Detailed explanation-2: -The VRD was initially invented by Kazuo Yoshinaka in 1986. Later work at the Human Interface Technology Lab at University of Washington had brought out a VRD system in 1991. Now VRD is under more research. VRD uses a photon source generating a coherent beam of light.
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