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Which country has the largest number of active 5G subscribers as of 2026?
- USA
- China
- India
- South Korea
Answer: China
China leads in 5G subscribers (~800 million) due to early deployment, affordable devices, and government support. India ranks second in growth rate with ~300 million subscribers (2026). Critical for understanding global telecom dynamics and India's digital transformation trajectory.
Which emerging technology combines AI with biological systems for drug discovery and personalized medicine?
- Bioinformatics
- AI-driven Drug Discovery
- Synthetic Biology
- All of these
Answer: All of these
Convergence of AI, bioinformatics, and synthetic biology accelerates drug discovery: AI predicts protein structures (AlphaFold), bioinformatics analyzes genomic data, synthetic biology designs novel biological systems. Indian startups and research institutes actively contribute. Critical for biotech innovation and healthcare questions.
Which satellite system provides high-resolution imagery for post-disaster damage assessment in India?
- INSAT
- CARTOSAT
- GSAT
- IRNSS
Answer: CARTOSAT
CARTOSAT series (ISRO) provides sub-meter resolution optical imagery for mapping, urban planning, and disaster monitoring. Post-disaster, rapid tasking enables damage assessment for relief planning. Integrated with Bhuvan portal for visualization. Critical for geospatial technology and disaster management questions.
Which Indian mission aims to send astronauts to low Earth orbit by 2025-26?
- Chandrayaan-4
- Gaganyaan
- Aditya-L2
- Shukrayaan
Answer: Gaganyaan
Gaganyaan is ISRO's human spaceflight program to send 3-4 astronauts to ~400 km orbit for 3-7 days. Includes crew module, service module, life support, and crew escape system. Multiple uncrewed test flights precede crewed mission. Represents milestone in India's space capabilities and technological self-reliance.
Which technology enables sign language recognition for real-time translation in video calls?
- OCR
- Computer Vision + AI
- Speech Recognition
- Natural Language Processing
Answer: Computer Vision + AI
Sign language recognition uses computer vision (pose estimation, hand tracking) and deep learning to interpret gestures and translate to text/speech. Pilots by IITs and startups for inclusive communication. Challenges: regional sign language variations and real-time accuracy. Critical for assistive technology questions.
Which technology area sees India among global leaders in terms of talent pool and startup ecosystem?
- Semiconductor Manufacturing
- AI/ML Software Development
- Quantum Hardware
- Aerospace Engineering
Answer: AI/ML Software Development
India ranks among top countries in AI research publications, skilled workforce (IITs, NITs), and AI startups (1000+). Strengths in software, data services, and frugal innovation. Gaps remain in hardware, foundational research, and compute infrastructure. Critical for understanding India's tech competitiveness questions.
Which technology enables secure communication using quantum key distribution over fiber networks?
- 5G Encryption
- QKD
- Blockchain
- Homomorphic Encryption
Answer: QKD
QKD (Quantum Key Distribution) uses quantum physics principles to generate and share encryption keys with provable security. Deployed in limited metro networks (e.g., DRDO's QKD link). Challenges: distance limits, cost, and integration with existing infrastructure. Critical for future-proof cybersecurity questions.
Which technology enables real-time flood forecasting using rainfall data and river gauge measurements?
- Hydrological Modeling
- Weather Radar
- Satellite Altimetry
- All of these
Answer: All of these
Flood forecasting integrates: hydrological models (rainfall-runoff simulation), weather radar (precipitation estimation), satellite altimetry (river levels), and IoT sensors (real-time gauges). CWC and IMD operate systems for major river basins. Critical for early warning and disaster risk reduction questions.
Which Indian initiative provides free high-speed internet to students in rural areas via satellite?
- BharatNet
- PM-WANI
- Digital Sky
- OneWeb India
Answer: PM-WANI
PM-WANI (Prime Minister's Wi-Fi Access Network Interface) enables public Wi-Fi hotspots via PDOs (Public Data Offices) using satellite/fiber backhaul. Aims to provide affordable internet access in rural/remote areas for education, telemedicine, and e-governance. Part of Digital India's connectivity pillar.
Which feature in smartphones helps hearing-impaired users by converting speech to text in real-time?
- Voice Assistant
- Live Caption
- Haptic Feedback
- Magnifier
Answer: Live Caption
Live Caption (Android/iOS) uses on-device AI to generate real-time captions for any audio (calls, videos, podcasts), aiding hearing-impaired users. Works offline for privacy. Part of broader accessibility suite: screen readers, color correction, switch access. Critical for inclusive design and digital empowerment questions.
Which country leads in global semiconductor manufacturing capacity as of 2026?
- USA
- South Korea
- Taiwan
- India
Answer: Taiwan
Taiwan (TSMC) holds ~60% of global semiconductor foundry market and ~90% of advanced nodes (<7nm). Strategic importance drives global efforts (US CHIPS Act, India Semiconductor Mission) to diversify supply chains. Critical for understanding geopolitics of technology and supply chain resilience questions.
Which emerging computing paradigm processes data near the source to reduce latency for IoT applications?
- Cloud Computing
- Fog Computing
- Quantum Computing
- Bio-computing
Answer: Fog Computing
Fog Computing extends cloud capabilities to network edge (routers, gateways), enabling real-time processing for IoT, autonomous vehicles, and industrial automation. Reduces latency, bandwidth usage, and enhances privacy. Complements cloud (centralized) and edge (device-level) computing. Critical for distributed systems questions.
Which technology uses satellite imagery and AI to assess damage after natural disasters?
- GIS Mapping
- Remote Sensing + AI
- Drone Survey
- All of these
Answer: All of these
Post-disaster assessment combines: satellite/drone imagery for wide-area coverage, AI for automated damage detection (buildings, roads), and GIS for spatial analysis and resource allocation. Used by NDMA, ISRO, and state agencies for rapid response. Critical for disaster management and geospatial technology questions.
Which initiative launched in 2024 aims to develop indigenous semiconductor manufacturing in India?
- India Semiconductor Mission
- Make in India 2.0
- Digital India Bhashini
- National AI Strategy
Answer: India Semiconductor Mission
India Semiconductor Mission (under MeitY) implements ₹76,000 crore incentive scheme for semiconductor fabs, display fabs, and design ecosystem. Partnerships with global players (TSMC, Micron) announced. Critical for reducing import dependence and building strategic technology self-reliance. Important for industrial policy questions.
Which technology enables visually impaired users to interact with smartphones using voice commands?
- OCR
- Screen Reader
- Speech Synthesis
- All of these
Answer: All of these
Accessibility features combine: Screen Readers (TalkBack, VoiceOver) narrate UI elements, OCR converts images to speech, and Speech Synthesis provides audio feedback. Integrated into Android/iOS for inclusive digital access. Critical for digital inclusion and assistive technology questions under Rights of Persons with Disabilities Act.
Which Indian mission successfully demonstrated in-orbit docking technology in 2024?
- Gaganyaan-1
- SPADEX
- Aditya-L2
- NISAR
Answer: SPADEX
SPADEX (Space Docking Experiment) successfully demonstrated autonomous rendezvous and docking of two spacecraft in Earth orbit in 2024. Critical technology for future space station modules, satellite servicing, and human spaceflight. Represents India's advancement in complex space operations. Important for ISRO current affairs questions.
Which of the following is NOT a feature of UPI?
- 24x7 availability
- Single click two-factor authentication
- Virtual payment address
- Mandatory physical card
Answer: Mandatory physical card
UPI does NOT require a physical card. It uses virtual payment addresses linked to bank accounts. Key features include 24x7 availability, single-click two-factor authentication, instant fund transfer, and support for multiple banks in one app.
Which ISRO mission is designed to study the Sun?
- Chandrayaan-3
- Mangalyaan-2
- Aditya-L1
- Gaganyaan
Answer: Aditya-L1
Aditya-L1 is India's first dedicated solar mission, positioned at Lagrange Point 1 (L1) to study the Sun's corona, solar emissions, and space weather. Launched in 2023, it carries seven indigenous payloads for comprehensive solar observations.
Which key uniquely identifies each record in a database table?
- Foreign Key
- Candidate Key
- Primary Key
- Composite Key
Answer: Primary Key
Primary Key is a column or set of columns that uniquely identifies each row in a table. It cannot contain NULL values and must be unique. Foreign keys establish relationships between tables, while candidate keys are potential primary keys.
Which device connects multiple computers in a local network and forwards data to specific destinations?
- Hub
- Switch
- Modem
- Repeater
Answer: Switch
Switch is a networking device that connects devices within a LAN and uses MAC addresses to forward data frames only to the intended recipient port. Unlike hubs that broadcast to all ports, switches improve network efficiency and security.