- 1UPSC CSE I - 2026Which of the following statements regarding the features of blockchain technology are correct?
- Records stored in the database may be made visible to relevant stakeholders without risk of alteration.
- Copies of the entire database are stored on multiple computers on a network, syncing within seconds.
- Consortium blockchain is a blend of public and private blockchains allowing selective data access.
- Mathematical algorithms make it impossible to change or delete any data once recorded and accepted.
Select the answer using the code given below: - 2UPSC CSE I - 2026Which of the following statements with regard to drone swarms is/are correct?
- They use Terahertz band of frequency to communicate with the command centre.
- Individual drones in the swarm can communicate with other drones in the swarm.
- GPS Spoofing is a commonly used technique to counter drone swarm attack.
Select the answer using the code given below: - 3UPSC CSE I - 2026Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct?
- LLMs assign probabilities to the next possible words and then pick the one with the highest probability.
- LLMs process data through mathematical optimization to minimise prediction errors.
- LLMs produce unbiased outputs.
Select the answer using the code given below: - 4UPSC CSE I - 2025With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements :
- All types of UAVs can do vertical landing.
- All types of UAVs can do automated hovering.
- All types of UAVs can use battery only as a source of power supply.
How many of the statements given above are correct? - 5UPSC CSE I - 2025Consider the following statements :
- It is expected that Majorana 1 chip will enable quantum computing.
- Majorana 1 chip has been introduced by Amazon Web Services (AWS).
- Deep learning is a subset of machine learning.
Which of the statements given above are correct? - 6UPSC CSE I - 2025Consider the following statements :
- Indian Railways have prepared a National Rail Plan (NRP) to create a 'future ready' railway system by 2028.
- 'Kavach' is an Automatic Train Protection system developed in collaboration with Germany.
- 'Kavach' system consists of RFID tags fitted on track in station section.
Which of the statements given above are not correct? - 7UPSC CSE I - 2024Which 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 millions of users, who can exert property rights over virtual items" ?
- 8UPSC CSE I - 2022Consider the following :
- Aarogya Setu
- CoWIN
- DigiLocker
- DIKSHA
Which of the above are built on top of open-source digital platforms ? - 9UPSC CSE I - 2022With reference to Web 3·0, consider the following statements :
- Web 3·0 technology enables people to control their own data.
- In Web 3·0 world, there can be blockchain based social networks.
- Web 3·0 is operated by users collectively rather than a corporation.
Which of the statements given above are correct ? - 10UPSC CSE I - 2022Consider the following communication technologies :
- Closed-circuit Television
- Radio Frequency Identification
- Wireless Local Area Network
Which of the above are considered Short-Range devices/technologies ? - 11UPSC CSE I - 2022With reference to "Software as a Service (SaaS)", consider the following statements :
- SaaS buyers can customise the user interface and can change data fields.
- SaaS users can access their data through their mobile devices.
- Outlook, Hotmail and Yahoo! Mail are forms of SaaS.
Which of the statements given above are correct ? - 12UPSC CSE I - 2022With reference to Non-Fungible Tokens (NFTs), consider the following statements :
- They enable the digital representation of physical assets.
- They are unique cryptographic tokens that exist on a blockchain.
- They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions.
Which of the statements given above are correct ? - 13UPSC CSE I - 2022With reference to Ayushman Bharat Digital Mission, consider the following statements :
- Private and public hospitals must adopt it.
- As it aims to achieve universal health coverage, every citizen of India should be part of it ultimately.
- It has seamless portability across the country.
Which of the statements given above is/are correct ? - 14UPSC CSE I - 2020
In India, the term ‘Public Key Infrastructure’ is used in the context of
- 15UPSC CSE I - 2020
With reference to visible light communication (VLC) technology, which of the following statements are correct?
- VLC uses electromagnetic spectrum wavelengths 375 to 780nm
- VLC is known as long-range optical wireless communication
- VLC can transmit large amounts of data faster than Bluetooth
- VLC has no electromagnetic interference
Select the correct answer using the code given below
- 16UPSC CSE I - 2020
With reference to ‘Blockchain Technology,’ consider the following statements:
- It is a public ledger that everyone can inspect, but which no single user controls.
- The structure and design of blockchain is such that all the data in it are about cryptocurrency only.
- Applications that depend on basic features of blockchain can be developed without anybody's permission.
Which of the statements given above is/are correct?
- 17UPSC CSE I - 2019In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices?
- Location identification of a person
- Sleep monitoring of a person
- Assisting the hearing impaired person
Select the correct answer using the code given below. - 18UPSC CSE I - 2019With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?
- LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G.
- LTE is data-only technology and VoLTE is voice-only technology.
Select the correct answer using the code given below. - 19UPSC CSE I - 2019Consider the following statements :A digital signature is
- an electronic record that identifies the certifying authority issuing it
- used to serve as a proof of identity of an individual to access information or server on Internet
- an electronic method of signing an electronic document and ensuring that the original content is unchanged
Which of the statements given above is/are correct? - 20UPSC CSE I - 2019In the context of digital technologies for entertainment, consider the following statements :
- In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out.
- In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings.
- AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC.
- VR closes the world, and transposes an individual, providing complete immersion experience.
Which of the statements given above is/are correct? - 21UPSC CSE I - 2018"3D printing" has applications in which of the following ?
- Preparation of confectionery items
- Manufacture of bionic ears
- Automotive industry
- Reconstructive surgeries
- Data processing technologies
Select the correct answer using the code given below : - 22UPSC CSE I - 2018When 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 mirror in your bathroom shows the day's weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a message to your office accordingly.In the context of emerging communication technologies, which one of the following terms best applies to the above scenario ?
- 23UPSC CSE I - 2018The terms 'WannaCry, Petya and EternalBlue' sometimes mentioned in the news recently are related to
- 24UPSC CSE I - 2018The identity platform 'Aadhaar' provides open "Application Programming Interfaces (APIs)". What does it imply ?
- It can be integrated into any electronic device.
- Online authentication using iris is possible.
Which of the statements given above is/are correct ? - 25UPSC CSE I - 2016'Project Loon', sometimes seen in the news, is related to
- 26UPSC CSE I - 2015With reference to 'Near Field Communication (NFC) Technology', which of the following statements is/are correct?
- It is a contactless communication technology that uses electromagnetic radio fields.
- NFC is designed for use by devices which can be at a distance of even a metre from each other.
- NFC can use encryption when sending sensitive information.
Select the correct answer using the code given below. - 27UPSC CSE I - 2014In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?
- Iris scanning
- Retinal scanning
- Voice recognition
Select the correct answer using the code given below. - 28UPSC CSE I - 2011What is "Virtual Private Network" ?
- 29UPSC CSE I - 2011What is the difference between Bluetooth and Wi-Fi devices ?
- 30UPSC CSE I - 2010
Which among the following do/does not belong/belongs to the GSM family of wireless technologies?
- 31UPSC CSE I - 2010
Consider the following:
- Bluetooth device
- Cordless phone
- Microwave oven
- Wi-Fi device
Which of the above can operate between 2.4 and 2.5 GHz range of radio frequency band?
- 32UPSC CSE I - 2008
Which of the following pairs is/are correctly matched?
- Francis Collins : Mapping human genome
- Sergey Brin : Google Search Engine
- Jimmy Wales : Wikipedia
- 33UPSC CSE I - 2007
Who among the following is considered as the inventor of the World Wide Web (WWW)?
- 34UPSC CSE I - 2006
What is the Universal Product Code (UPC) adopted for?
- 35UPSC CSE I - 2004
Consider the following statements:
- Smart card is a plastic card with an embedded microchip.
- Digital technology is. primarily used with new physical communication medium such as satellite and fibre optics transmission.
- A digital library is a collection of documents in an organized electronic form available on the internet only.
Which of the statements given above is/are correct?
- 36UPSC CSE I - 2000
The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made up of
- 37UPSC CSE I - 1996
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Appeared in the Times of India dated 7th August: