With reference to Web 3.0, consider the following statements : 1. Web 3.0 technology enables people to control their own data. 2. In Web 3.0 world, there can be blockchain based social networks. 3. Web 3.0 is operated by users collectively rather than a corporation. Which of the statements given above are correct ?
- A.1 and 2 only
- B.2 and 3 only
- C.1 and 3 only
- D.1,2 and 3
Correct answer
Explanation
The correct answer is D, 1,2 and 3. All three describe the idea of Web 3.0: a decentralised internet where users own their data and run the platforms together.
Web 1.0 was the read-only web of static pages, and Web 2.0 brought the interactive, social web, where a few large companies host the platforms and hold users' data. Web 3.0 proposes to build services on blockchains, so that records are shared across many computers rather than stored by one firm. Users keep control of their identity and data through crypto wallets, social networks and apps can run on blockchains, and decisions can be taken collectively through token-based decentralised autonomous organisations (DAOs) instead of by a single corporation.
A is wrong: it leaves out statement 3, which is also a core feature.
B is wrong: it leaves out statement 1, user control of data.
C is wrong: it leaves out statement 2, blockchain-based social networks.
Exam tip: Web 1.0 = read, Web 2.0 = read and write, Web 3.0 = read, write and own (blockchain, DAOs, user-held data).
Practice Questions
View allHindustan Aeronautics Limited handed over the first two indigenously designed and manufactured light combat aircrafts to the Indian Air Force in 2016. What is the name of these new combat aircrafts?
- A.Marut
- B.Garud
- C.Tejas
- D.Pushpak
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Tejas is India's indigenous Light Combat Aircraft, and the first two were handed over to the Indian Air Force on 1 July 2016 to form No. 45 Squadron, the Flying Daggers.
Read the full explanation →Which of the following statements about Bitcoin is/are correct? 1. It is a decentralized virtual currency. 2. It is generated through complex computer software systems. 3. The Reserve Bank of India recognized it as a legal tender in January 2016. Select the correct answer using the code given below.
- A.1 only
- B.1 and 2 only
- C.2 and 3 only
- D.1, 2 and 3
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Bitcoin is a decentralised digital currency created by computer software, but the Reserve Bank of India has never made it legal tender.
Read the full explanation →Which one of the following is India's first indigenously designed and developed long-range subsonic cruise missile which can be deployed from multiple platforms?
- A.Astra
- B.Akash
- C.Nirbhay
- D.Shankhnaad
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Nirbhay is the long-range subsonic cruise missile designed and developed in India by the DRDO. Nirbhay was developed by DRDO's Aeronautical Development Establishment in Bengaluru.
Read the full explanation →"Million Minds Augmenting National Aspirations and Knowledge" (MANAK), a scheme under the flagship programme, Innovation in Science Pursuit for Inspired Research (INSPIRE), caters to :
- A.The college students studying in the undergraduate programme in the age group of 19 - 25 years.
- B.The research scholars in recognized research laboratories of national importance.
- C.The college teachers of the country.
- D.The school children studying in classes 6 - 10 in the age group of 10 - 15 years.
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INSPIRE-MANAK is the school-level part of INSPIRE. INSPIRE is run by the Department of Science and Technology to draw young talent into science.
Read the full explanation →Which one of the following statements is not correct?
- A.BrahMos is a supersonic cruise missile made by India and Russian Federation.
- B.The name BrahMos came from two rivers, Brahmaputra of India and Moskva of Russia.
- C.Indian military scientists were capable of integrating BrahMos cruise missile with Sukhoi-30 MKI fighter.
- D.Defence Research and Development Organization is the manufacturer of Sukhoi-30 MKI fighter.
Show answer
The Sukhoi-30 MKI is not made by DRDO; it was designed by Russia's Sukhoi bureau and is built in India under licence by Hindustan Aeronautics Limited (HAL) at Nashik.
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