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The measure of how long a qubit maintains its quantum state before decoherence is called ________ Time.
- Accountability
- Coherence
- Permissioned Distributed / Hybrid
- Circular
Answer: Coherence
Coherence time (T1 for energy relaxation, T2 for phase decoherence) determines how many quantum operations can be performed before errors dominate. Longer coherence enables more complex algorithms. Improved via better materials, shielding, and error correction. Critical metric for comparing quantum hardware platforms.
The feedback control system that uses sensor data to correct robot motion errors is called ________ Control.
- Ethical / CEH
- du
- Uncertainty / Observer
- Closed-loop / Feedback
Answer: Closed-loop / Feedback
Closed-loop control continuously compares desired vs actual state (via sensors) and adjusts actuators to minimize error. Contrasts with open-loop (no feedback). Essential for precision tasks: assembly, welding, autonomous navigation. PID controllers are common implementation. Critical for robotics control theory questions.
The technique of optimizing part design to minimize material usage while maintaining strength is called ________ Optimization.
- LCH Prachand
- Permissioned Distributed / Hybrid
- Frequency
- Topology
Answer: Topology
Topology optimization uses algorithms to distribute material optimally within design constraints (loads, boundaries), creating lightweight, efficient structures often with organic shapes. Enabled by additive manufacturing which can produce complex geometries impossible with subtractive methods. Critical for aerospace, automotive, and biomedical applications.
The process of converting real-world assets into digital tokens on a blockchain is called ________.
- OECD / UNESCO
- Tree / Acyclic Graph
- Tokenization
- DigiLocker
Answer: Tokenization
Tokenization represents ownership of physical/digital assets (real estate, art, commodities) as blockchain tokens, enabling fractional ownership, instant settlement, and global liquidity. Requires legal frameworks and oracle services for real-world data. Pilots in India for land records, supply chain, and financial assets. Important for fintech innovation questions.
The phenomenon where measuring a quantum system disturbs its state is called the ________ Principle.
- Purpose
- Thought
- Common
- Uncertainty / Observer
Answer: Uncertainty / Observer
Heisenberg's Uncertainty Principle states that certain pairs of properties (position/momentum) cannot be simultaneously measured with arbitrary precision. In quantum computing, measurement collapses superposition to a definite state, limiting information extraction. Critical for understanding quantum measurement and algorithm design.
The technology that enables robots to perceive and understand their environment using cameras and AI is called Computer ________.
- Meghdoot / mKisan
- BharatKosh / e-Payments
- SIDBI / Startup India
- Vision
Answer: Vision
Computer Vision enables robots to interpret visual data: object recognition, depth estimation, navigation, and manipulation. Combines deep learning (CNNs), sensor fusion, and real-time processing. Critical for autonomous vehicles, warehouse robots, and service robots. Key enabler of intelligent automation systems.
The 3D printing process that cures liquid resin using UV light is called Stereolithography or ________.
- SLA
- O-RAN
- TDMA
- AePS
Answer: SLA
SLA (Stereolithography) uses a UV laser to selectively cure photopolymer resin layer by layer, producing high-resolution parts with smooth surfaces. Used for prototypes, dental models, and jewelry. Post-curing and support removal required. One of the earliest additive manufacturing technologies, foundational for resin-based printing.
The consensus mechanism used by Bitcoin where miners solve cryptographic puzzles is called Proof of ________.
- Work
- Serverless
- Principle, Privilege
- CARTOSAT / EOS
Answer: Work
Proof of Work (PoW) requires miners to expend computational power to solve hash puzzles, securing the network and preventing double-spending. Energy-intensive; alternatives include Proof of Stake (PoW's successor in Ethereum), Proof of Authority, and Byzantine Fault Tolerance variants. Critical for understanding blockchain security and sustainability.
Digital assets in the metaverse that represent ownership of unique items are called ________.
- AePS
- SPADEX
- L
- NFTs
Answer: NFTs
NFTs (Non-Fungible Tokens) are blockchain-based tokens representing unique digital or physical assets: art, collectibles, virtual land, avatars. Unlike cryptocurrencies (fungible), each NFT has distinct value and metadata. Enable true digital ownership and creator royalties in metaverse economies. Important for digital economy questions.
The quantum algorithm that can factor large integers exponentially faster than classical algorithms is ________ Algorithm.
- Shor's
- Chandrayaan
- Second
- Gaganyaan
Answer: Shor's
Shor's Algorithm (1994) factors integers in polynomial time on a quantum computer, threatening RSA encryption which relies on factoring difficulty. Requires fault-tolerant quantum computers not yet available. Grover's Algorithm provides quadratic speedup for unstructured search. Critical for cryptography and quantum advantage questions.
The industrial robot programming method where the robot is manually guided through tasks is called ________ Programming.
- Quantum Annealing
- Compressed Air Energy / CAES
- Lead-through / Teach Pendant
- Real-time
Answer: Lead-through / Teach Pendant
Lead-through programming involves physically guiding the robot arm through desired motions, which are recorded and replayed. Teach pendant uses a handheld controller for point-and-path programming. Both are common in manufacturing for tasks like welding, painting, and assembly. Important for industrial automation questions.
The indigenous light combat helicopter developed by HAL for the Indian Army is called ________.
- LCH Prachand
- ASVS / Application Security Verification Standard
- PMP / PRINCE2
- qXR / CAD4TB
Answer: LCH Prachand
LCH (Light Combat Helicopter) Prachand is designed for high-altitude operations, armed with missiles, rockets, and cannon. Features composite structure, stealth features, and advanced avionics. Inducted into Army and Air Force. Represents self-reliance in rotary-wing combat platforms. Critical for defense indigenization questions.
The national registry of health facilities and professionals under ABDM is called Health Facility Registry and ________ Registry.
- Healthcare Professionals
- Education
- F5 or Ctrl+R
- Privilege
Answer: Healthcare Professionals
ABDM includes HFR (Health Facility Registry) and HPR (Healthcare Professionals Registry) to create verified directories of providers. Enables discovery, credentialing, and interoperable service delivery. Critical for digital health infrastructure and governance questions.
The mobile app that provides weather-based crop advisory to farmers is called ________.
- Transparency
- Meghdoot / mKisan
- Fairness
- Offline
Answer: Meghdoot / mKisan
Meghdoot (by IMD & ICAR) provides location-specific weather forecasts and crop advisories via SMS/app. mKisan sends relevant information from agricultural scientists. Both leverage ICT for climate-resilient farming. Critical for agricultural extension and digital inclusion questions.
The national platform for open educational resources in higher education is called ________.
- Stake / PoS
- UEBA / User and Entity Behavior
- Ka
- SWAYAM / NPTEL
Answer: SWAYAM / NPTEL
SWAYAM hosts NPTEL courses from IITs/IIMs alongside content from other institutions. Offers certificates transferable to academic records. Supports lifelong learning and skill development. Critical for NEP 2020's flexible education framework. Important for digital education policy questions.
The fund that provides risk capital to deep tech startups in strategic sectors is called ________ Fund of Funds.
- SIDBI / Startup India
- Diversity
- Fourth
- CARTOSAT / EOS
Answer: SIDBI / Startup India
Fund of Funds for Startups (FFS) managed by SIDBI provides ₹10,000 crore corpus to SEBI-registered AIFs investing in startups. Focuses on innovation, job creation, and strategic sectors. Part of Startup India initiative. Critical for understanding government support mechanisms for entrepreneurship.
The indigenous beyond-visual-range air-to-air missile developed by DRDO is called ________.
- Middle
- Fourth
- Astra
- Digital Personal Data Protection / DPDP
Answer: Astra
Astra is India's first indigenous BVRAAM with 110 km range, active radar homing, and all-weather capability. Integrated with Su-30MKI and Tejas. Represents milestone in self-reliance in critical missile technologies. Mk2 variant under development with longer range and advanced seekers. Critical for defense indigenization questions.
The AI-based tool for early detection of tuberculosis from chest X-rays is called ________.
- Testable
- Behavioral
- Differential Privacy / DP
- qXR / CAD4TB
Answer: qXR / CAD4TB
AI tools like qXR (Qure.ai) and CAD4TB analyze chest X-rays to detect TB indicators with high accuracy, enabling scalable screening in resource-limited settings. Deployed under National TB Elimination Programme. Demonstrates AI's role in public health. Important for health technology and innovation questions.
The mobile app that provides real-time mandi prices and trade opportunities to farmers is called ________.
- e-NAM
- F1
- ONDC
- L1
Answer: e-NAM
e-NAM (Electronic National Agriculture Market) mobile app enables farmers to view real-time prices across 1,000+ mandis, participate in online bidding, and access quality assaying services. Promotes transparent price discovery and reduces intermediation. Critical for agricultural marketing and digital inclusion questions.
The national digital repository for academic credits under NEP 2020 is called Academic Bank of ________.
- Digital Personal Data Protection / DPDP
- Credits
- Engineering Task Force / IETF
- CARTOSAT / EOS
Answer: Credits
Academic Bank of Credits (ABC) stores academic credits earned by students from recognized institutions digitally. Enables credit transfer, multiple entry-exit options, and lifelong learning under NEP 2020. Integrated with DigiLocker for easy access. Important for education reform and digital infrastructure questions.