UPSC CSE · Science and Technology
UPSC Prelims Information and Communication Technology Questions (Science and Technology): PYQs with Answers
36 UPSC Prelims questions on Information and Communication Technology (Science and Technology) from 2011–2026, newest first. 2026 had the most (6). Difficulty: 31% easy, 50% medium and 19% hard.
- Dhruv64 MicroprocessorWhich of the following statements about DHRUV64 is/are correct?
- Semiconductor Plants LocationsWhich one of the following pairs of semiconductor plants in India and their locations is NOT correctly matched?
- Blockchain FeaturesWhich of the following statements regarding the features of blockchain technology are correct?
- Large Language ModelsWhich of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct?
- National Quantum MissionWhich of the following statements with regard to the National Quantum Mission (NQM) is/are correct?
- AI Impact Summit 2026Consider the following statements with respect to the AI Impact Summit, 2026 held in New Delhi:
- Majorana 1 Quantum ChipConsider the following statements:
- Metaverse DefinitionWhich one of the following words/phrases is most appropriately used to denote 'an interoperable network of 3D virtual worlds that can be accessed simultaneously by…
- Radar ApplicationsConsider the following activities:
- Accelerometer ApplicationsConsider the following actions:
- Open Source Digital PlatformsConsider the following:
- Web 3 0With reference to Web 3.0, consider the following statements:
- Software As a ServiceWith reference to "Software as a Service (SaaS)", consider the following statements:
- Qubit Quantum ComputingWhich one of the following is the context in which the term "qubit" is mentioned?
- Short Range DevicesConsider following communication the technologies:
- Non Fungible TokensWith reference to Non-Fungible Tokens (NFTs), consider the following statements:
- Artificial Intelligence ApplicationsWith the present state of development, Artificial Intelligence can effectively do which of the following?
- Visible Light CommunicationWith reference to Visible Light Communication (VLC) technology, which of the following statements are correct?
- Blockchain TechnologyWith reference to 'Blockchain Technology', consider the following statements:
- LTE and Volte DifferencesWith reference to communications technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?
- Augmented Virtual RealityIn the context of digital technologies for entertainment, consider the following statements:
- Digital SignatureConsider the following statements: A digital signature is
- Wearable Devices UsesIn the context of wearable technology, which of the following tasks is/are accomplished by wearable devices?
- Wannacry Petya Cyber AttacksThe terms 'WannaCry, Petya and EternalBlue' sometimes mentioned in the news recently are related to
- Internet of Things Smart Home ScenarioWhen the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart…
- OLED DisplaysOrganic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays?
- Cyber Security Incident ReportingIn India, it is legally mandatory for which of the following to report on cyber security incidents?
- Smart India HackathonWhich of the following statements is/are correct regarding Smart India Hackathon 2017?
- Digilocker Document StorageRegarding 'DigiLocker', sometimes seen in the news, which of the following statements is/are correct?
- Lifi TechnologyWith reference to ‘LiFi’, recently in the news, which of the following statements is/are correct?
- Project Loon‘Project Loon’, sometimes seen in the news, is related to
- SWAYAM Online Education‘SWAYAM’, an initiative of the Government of India, aims at
- Near Field CommunicationWith reference to 'Near Field Communication (NFC) Technology', which of the following statements is/are correct?
- Bluetooth vs Wi-FiWhat is the difference between Bluetooth and Wi-Fi devices?
- Virtual Private NetworkWhat is “Virtual Private Network”?
- Ionosphere Radio CommunicationA layer in the Earth’s atmosphere called ionosphere facilitates radio communication. Why?