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2016 · Q5Science & TechnologyComputer & Information Technologymoderate

With reference to 'LiFi', recently in the news, which of the following statements is/are correct? 1. It uses light as the medium for high-speed data transmission. 2. It is a wireless technology and is several times faster than 'WiFi'. Select the correct answer using the code given below.

  1. (a)1 only
  2. (b)2 only
  3. (c)Both 1 and 2
  4. (d)Neither 1 nor 2
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Official answer(c) Both 1 and 2

2026 · Q44Science & TechnologyComputer & Information Technologymoderate

Which of the following statements about DHRUV64 is/are correct ? 1. It is the third chip fabricated under the DIR-V Programme with an overall aim to enable the creation of microprocessors for India. 2. It is India’s first homegrown 1·0 GHz, 64-bit dual-core microprocessor. Select the answer using the code given below :

  1. (a)1 only
  2. (b)2 only
  3. (c)Both 1 and 2
  4. (d)Neither 1 nor 2
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Official answer(c) Both 1 and 2

2026 · Q51Science & TechnologyComputer & Information Technologymoderate

Which of the following statements regarding the features of blockchain technology are correct ? 1. Records stored in the database may be made visible to relevant stakeholders without risk of alteration. 2. Copies of the entire database are stored on multiple computers on a network, syncing within seconds. 3. Consortium blockchain is a blend of public and private blockchains allowing selective data access. 4. Mathematical algorithms make it impossible to change or delete any data once recorded and accepted. Select the answer using the code given below :

  1. (a)1 and 3
  2. (b)2 and 4 only
  3. (c)1, 2 and 4
  4. (d)1 and 4 only
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Official answer(c) 1, 2 and 4

2026 · Q67Science & TechnologyComputer & Information Technologymoderate

Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct ? 1. LLMs assign probabilities to the next possible words and then pick the one with the highest probability. 2. LLMs process data through mathematical optimization to minimise prediction errors. 3. LLMs produce unbiased outputs. Select the answer using the code given below :

  1. (a)1 only
  2. (b)1 and 2 only
  3. (c)2 and 3 only
  4. (d)1, 2 and 3
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Official answer(b) 1 and 2 only

2025 · Q64Science & TechnologyComputer & Information Technologydifficult

The World Bank warned that India could become one of the first places where wet-bulb temperatures routinely exceed 35 ºC. Which of the following statements best reflect(s) the implication of the above-said report? I. Peninsular India will most likely suffer from flooding, tropical cyclones and droughts. II. The survival of animals including humans will be affected as shedding of their body heat through perspiration becomes difficult. Select the correct answer using the code given below.

  1. (a)I only
  2. (b)II only
  3. (c)Both I and II
  4. (d)Neither I nor II
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Official answer(c) Both I and II