Paper 1 · ICT
UGC NET December 2023 (11.12.2023) Shift-II
Given below are two statements. In the light of the above statements, choose the most appropriate answer from the options given below.
- Statement I: 3D printers are primarily used with CAD.
- Statement II: OLEDs require some form of back-lighting so that the screen can be lit up.
ABoth Statement I and Statement II are correct
BBoth Statement I and Statement II are incorrect
CStatement I is correct but Statement II is incorrect ✓ Correct
DStatement I is incorrect but Statement II is correct
Correct answer: (C) Statement I is correct but Statement II is incorrect — Statement I is correct but Statement II is incorrect, so that is the answer.
Explanation
★Statement I is correct but Statement II is incorrect, so that is the answer.
★3D printers build objects from a digital blueprint made in CAD software.
★So they are primarily used with computer aided design, making Statement I correct.
★OLEDs use organic layers that emit their own light.
★Because each pixel makes its own light, OLEDs need no back-lighting.
★So the claim that OLEDs require back-lighting is wrong, making Statement II incorrect.
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