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Question 73Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3

Which of the following is NOT the example of emissive display?

  1. ALiquid crystal device
  2. BPlasma panels
  3. CThin-film electroluminescent display
  4. DLight emitting diodes
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Correct answer: (A) Liquid crystal device

Explanation

An LCD does not emit light; it modulates light from a backlight, so it is non-emissive. Plasma, thin-film electroluminescent and LED displays are emissive.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3

This is question 73 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.