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UPSC 2017: Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays? 1. OLED displays can be fabricated on flexible plastic substrates. 2. Roll-up displays embedded in clothing can be made using OLEDs. 3. Transparent displays are possible using OLEDs. Select the correct answer using the code given below:
(a)1 and 3 only
(b)2 only
(c)1, 2 and 3
(d)None of the above statements is correct
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Not attemptedCorrect Answer: (c) 1, 2 and 3
OLED panels can be fabricated on thin, flexible plastic substrates, enabling roll-up displays that can even be integrated into fabrics, and the emissive nature of OLED pixels allows construction of partially transparent panels; these advantages are not possible with conventional LCDs. Therefore all three statements are correct. ([insightsonindia.com](https://www.insightsonindia.com/2017/06/19/answer-key-upsc-civil-services-prelims-exam-2017-general-studies-paper-1/))
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Frequently Asked Questions
What is the correct answer to this UPSC 2017 Science & Technology question?▼
The correct answer is option (c): 1, 2 and 3. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Computer & Information Technology question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2017, GS Paper 1, as Question 74. It falls under Science & Technology > Computer & Information Technology.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Computer & Information Technology?▼
UPSC has asked 50 questions from Computer & Information Technology (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.