Complete Summary and Solutions for Emerging Trends – NCERT Class XI Informatics Practices, Chapter 2 – Explanation, Questions, Answers

Detailed summary and explanation of Chapter 2 'Emerging Trends' from the NCERT Informatics Practices textbook for Class XI, covering topics like artificial intelligence (AI) and machine learning, natural language processing (NLP), immersive experiences including virtual and augmented reality, robotics and its applications, big data and its characteristics, data analytics, Internet of Things (IoT) and Web of Things (WoT), smart cities, cloud computing models (IaaS, PaaS, SaaS), grid computing, and blockchain technology. The chapter also includes insights into applications and challenges of these technologies along with exercises and activities for students.

Updated: 7 months ago

Categories: NCERT, Class XI, Informatics Practices, Chapter 2, Emerging Trends, Artificial Intelligence, Machine Learning, NLP, Virtual Reality, Augmented Reality, Robotics, Big Data, IoT, Cloud Computing, Grid Computing, Blockchain, Summary, Questions, Answers, Explanation

Tags: Emerging Trends, AI, Machine Learning, NLP, Virtual Reality, Augmented Reality, Robotics, Big Data, IoT, Cloud Computing, Grid Computing, Blockchain, Informatics Practices, NCERT, Class 11, Summary, Explanation, Questions, Answers, Chapter 2

Emerging Trends - Class 11 Informatics Practices Chapter 2 Ultimate Study Guide 2025

Full Chapter Summary & Detailed Notes - Emerging Trends Class 11 NCERT

Overview & Key Concepts

Chapter Goal: Explore state-of-the-art technologies like AI, Big Data, IoT, Cloud, Grid, Blockchain impacting digital economy. Exam Focus: Definitions, characteristics (e.g., Big Data 5Vs), services (Cloud models), applications; 2025 Updates: AI ethics, blockchain in governance. Fun Fact: Dijkstra quote on CS. Core Idea: Trends simulate human intelligence, handle massive data, connect devices. Real-World: ChatGPT (AI), smart homes (IoT).
Wider Scope: From AI subsystems to decentralized ledgers; sources: Figures (2.1 NLP, 2.9 Big Data Vs, 2.12 Cloud models), activities (NLP aids, robots in medicine), think/reflect (drones in calamity).
Expanded Content: Include modern aspects like generative AI, edge computing in IoT; point-wise for recall; add 2025 relevance like Web3 blockchains.

Introduction to Emerging Trends

Definition: State-of-the-art tech gaining popularity; some fade, others persist (e.g., AI vs failed gadgets).
Impact: Transform digital economy/societies; daily new intros, focus on prosperous ones.
Topics Covered: AI, Big Data, IoT, Cloud/Grid Computing, Blockchains.
Example: Smartphone maps (AI traffic analysis).
Expanded: Evidence: User adoption; debates: Hype vs reality; real: Post-2020 IoT boom.

Conceptual Diagram: Chapter Structure (In-Text Box)

Bullets: AI → Big Data → IoT → Cloud → Grid → Blockchain. Visualizes progression from intelligence to distributed systems.

Why This Guide Stands Out

Comprehensive: All trends point-wise, figure integrations; 2025 with ethics (e.g., AI bias), analyzed for digital society.

Artificial Intelligence (AI)

Definition: Simulate human intelligence in machines (learning, decisions); e.g., Siri/Alexa.
Subsystems: ML (algorithms learn from data, train/test models); NLP (voice search, translation, text-to-speech; Fig 2.1).
Immersive Experiences: VR (3D simulated world, headsets; Fig 2.3 gaming/training); AR (overlay digital on real; Fig 2.4 location apps).
Robotics: Programmable machines (sensors key); types: Wheeled/legged/humanoids/drones; ex: Mars Rover (Fig 2.5), Sophia (Fig 2.6), drones (Fig 2.7 delivery).
Knowledge Base: Facts/assumptions for AI decisions.
Think & Reflect: NLP for disabled (voice aids); robots in medicine (surgery).
Expanded: Evidence: Auto-tagging; debates: Job loss; real: VR therapy 2025.

Big Data

Definition: Enormous voluminous/unstructured data (2.5 quintillion bytes/day; Fig 2.8 sources: social/email).
Characteristics (5Vs; Fig 2.9): Volume (size), Velocity (generation rate), Variety (structured/unstructured), Veracity (trustworthiness), Value (hidden patterns).
Challenges: Integration/storage/analysis; traditional tools insufficient.
Data Analytics: Examine sets for conclusions; tools: Pandas (Python lib).
Think & Reflect: Digital activities contribute (posts/tweets); drones in calamity (mapping).
Expanded: Evidence: Noisy data risks; debates: Privacy; real: Analytics in e-commerce 2025.

Internet of Things (IoT)

Definition: Network of embedded devices communicating (Fig 2.10: bulbs/fans/smartphones).
WoT: Web services for unified interface (one app for all devices; smart homes/cities).
Sensors: Detect environment (accelerometer/gyro in phones); smart sensors process input.
Smart Cities (Fig 2.11): IoT/WoT for resource mgmt (sensors in bridges/tunnels/buildings for alerts).
Activity: List IoT devices (smartwatch/refrigerator); VPS (AR navigation utilities).
Think & Reflect: Transform city ideas (traffic sensors).
Expanded: Evidence: Remote control; debates: Security; real: 5G IoT 2025.

Cloud Computing

Definition: On-demand services over Internet (hardware/software; pay-per-use like electricity).
Services (Fig 2.12): IaaS (infra like VMs/storage), PaaS (platform for apps, e.g., pre-config Apache), SaaS (apps like Google Docs).
Benefits: Cost-effective, scalable; GI Cloud (MeghRaj).
Activity: Data centers in India (e.g., AWS Mumbai - storage).
Expanded: Evidence: No upfront investment; debates: Vendor lock-in; real: Hybrid clouds 2025.

Grid Computing

Definition: Network of dispersed resources as virtual supercomputer (Fig 2.13: shared nodes).
Types: Data grid (distributed access), CPU grid (parallel tasks).
Vs Cloud: Application-specific vs service-oriented; middleware: Globus Toolkit.
Think & Reflect: Assistive trends for disabilities (AI voice, IoT wearables).
Expanded: Evidence: Reuse idle resources; debates: Scalability; real: Scientific simulations 2025.

Blockchains

Definition: Decentralized shared ledger (blocks chained; Fig 2.14: transaction broadcast/verify).
Features: Append-only, secure (all nodes authenticate); vs centralized (hack risk).
Applications: Crypto, healthcare (sharing), land records, voting; transparency in governance.
Think & Reflect: Other areas (supply chain, education certs).
Expanded: Evidence: No single alter; debates: Energy use; real: NFT/Web3 2025.

Exam Activities

Explore NLP/robotics (Act 2.1/2.2); IoT devices/VPS (Act 2.3/2.4); data centers (Act 2.5).

Summary Key Points

Trends: AI (ML/NLP/VR/AR/Robotics), Big Data (5Vs/Analytics), IoT (WoT/Sensors/Smart Cities), Cloud (IaaS/PaaS/SaaS), Grid (virtual supercomputer), Blockchain (decentralized ledger).
Impact: Efficiency, innovation; challenges: Security, veracity.

Project & Group Ideas

Group IoT model (smart home); individual blockchain voting sim.
Debate: AI ethics vs benefits.
Ethical role-play: Big Data privacy.

Key Definitions & Terms - Complete Glossary

All terms from chapter; detailed with examples, relevance. Expanded: 30+ terms grouped by subtopic; added advanced like "Generative AI", "Edge Computing" for depth/easy flashcards. Table overflow fixed with word-break.

Artificial Intelligence (AI)

Simulate human intelligence in machines. Ex: Siri. Relevance: Cognitive functions.

Machine Learning (ML)

AI subsystem: Learn from data without programming. Ex: Predictions. Relevance: Models train/test.

Natural Language Processing (NLP)

Human-computer interaction via language. Ex: Voice search (Fig 2.1). Relevance: Translation/spell-check.

Virtual Reality (VR)

3D simulated environment. Ex: Headsets (Fig 2.3). Relevance: Immersive training.

Augmented Reality (AR)

Digital overlay on real world. Ex: Location apps (Fig 2.4). Relevance: Interactive info.

Robotics

Design/operation of programmable machines. Ex: Sophia humanoid (Fig 2.6). Relevance: Automation.

Big Data

Enormous voluminous data. Ex: Social posts (Fig 2.8). Relevance: Beyond traditional tools.

Volume (Big Data V)

Enormous size. Ex: Quintillion bytes/day. Relevance: Processing challenge.

Veracity (Big Data V)

Trustworthiness. Ex: Noisy data. Relevance: Avoid wrong results.

Data Analytics

Examine sets for conclusions. Ex: Pandas. Relevance: Business decisions.

Internet of Things (IoT)

Network of communicating devices. Ex: Smart fridge (Fig 2.10). Relevance: Collaboration.

Web of Things (WoT)

Web services for device integration. Ex: Unified app. Relevance: Smart cities.

Sensor

Detects physical input. Ex: Accelerometer. Relevance: IoT evolution.

Smart City

IoT-managed urban resources. Ex: Bridge sensors (Fig 2.11). Relevance: Sustainability.

Cloud Computing

On-demand Internet services. Ex: Google Drive. Relevance: Pay-per-use.

IaaS

Infrastructure as Service. Ex: Virtual machines. Relevance: Hardware outsourcing.

SaaS

Software as Service. Ex: Office 365. Relevance: No install.

Grid Computing

Dispersed resources as supercomputer. Ex: Shared nodes (Fig 2.13). Relevance: Parallel processing.

Blockchain

Decentralized shared ledger. Ex: Crypto (Fig 2.14). Relevance: Secure transactions.

Generative AI

Advanced (creates content). Ex: ChatGPT. Relevance: 2025 trend.

Edge Computing

Advanced IoT processing. Ex: Local data. Relevance: Low latency.

Knowledge Base

AI facts store. Ex: Decision rules. Relevance: Learning.

Humanoid

Human-like robot. Ex: Sophia. Relevance: Gestures.

Drone

Unmanned aircraft. Ex: Delivery (Fig 2.7). Relevance: Monitoring.

Velocity (Big Data V)

Generation rate. Ex: Tweets/sec. Relevance: Exponential.

Variety (Big Data V)

Data types. Ex: Text/videos. Relevance: Unstructured.

Value (Big Data V)

Hidden patterns. Ex: Business insights. Relevance: ROI.

PaaS

Platform as Service. Ex: App deployment. Relevance: No config.

MeghRaj

GI Cloud. Ex: Govt services. Relevance: India initiative.

Globus Toolkit

Grid middleware. Ex: Resource mgmt. Relevance: Open source.

Append-Only Ledger

Blockchain feature. Ex: No alterations. Relevance: Security.

Smart Sensor

Processes input. Ex: Gyroscope. Relevance: IoT.

Machine Translation

NLP app. Ex: Google Translate. Relevance: Multilingual.

Driving Simulator

VR training. Ex: Fig 2.2. Relevance: Immersive.

Mars Rover

Robotic mission. Ex: NASA (Fig 2.5). Relevance: Exploration.

Quintillion Bytes

Big Data scale. Ex: Daily creation. Relevance: Volume.

VPS

Visual Positioning System. Ex: AR nav. Relevance: Indoor GPS.

Data Grid

Grid type. Ex: Distributed access. Relevance: Multi-user.

CPU Grid

Grid type. Ex: Parallel subtasks. Relevance: Processing.

Tip: Group by trend; examples for recall. Depth: Debates (e.g., AI ethics). Errors: Confuse VR/AR. Interlinks: To Ch1 hardware. Advanced: Generative AI. Real-Life: Blockchain voting. Graphs: 5Vs. Coherent: Evidence → Interpretation. For easy learning: Flashcard per term with example.

Text Book Questions & Answers - NCERT Exercises

Direct from chapter exercises (pages 29-30). Answers based on chapter content, point-wise for exams.

Short Answer Questions

1. List some of the cloud-based services that you are using at present.

Answer:

Google Drive (storage), Gmail (email), Netflix (streaming), Microsoft Office 365 (SaaS).

2. What do you understand by the Internet of Things? List some of its potential applications.

Answer:

IoT: Network of devices with embedded hardware/software for data exchange (Fig 2.10).
Applications: Smart homes (remote AC), healthcare monitoring, traffic management.

3. Write a short note on the following: a) Cloud computing b) Big data and its characteristics

Answer:

a) Cloud: On-demand Internet services (IaaS/PaaS/SaaS; pay-per-use).
b) Big Data: Voluminous data; 5Vs: Volume, Velocity, Variety, Veracity, Value (Fig 2.9).

Medium Answer Questions

4. Explain the following along with their applications. a) Artificial Intelligence b) Machine Learning

Answer:

a) AI: Simulate human intelligence; apps: Maps (traffic), auto-tagging.
b) ML: AI subsystem learns from data; apps: Predictions after training.

5. Differentiate between cloud computing and grid computing with suitable examples.

Answer:

Cloud: Service-oriented (e.g., AWS IaaS).
Grid: Application-specific virtual supercomputer (e.g., scientific simulations).

Long Answer Questions

6. Justify the following statement- ‘Storage of data is cost effective and time saving in cloud computing.’

Answer:

Cost: Pay-per-use, no hardware buy; Time: Instant access/scaling; ex: Backup without servers.

7. What is on-demand service? How it is provided in cloud computing?

Answer:

On-demand: Resources as needed. Provided: Via Internet (IaaS/PaaS/SaaS models).

8. Write examples of the following: a) Government provided cloud computing platform b) Large scale private cloud service providers and the services they provide

Answer:

a) MeghRaj (GI Cloud).
b) AWS (IaaS storage), Google Cloud (PaaS apps).

9. A company interested in cloud computing is looking for a provider who offers a set of basic services such as virtual server provisioning and on-demand storage that can be combined into a platform for deploying and running customised applications. What type of cloud computing model fits these requirements? a) PaaS b) SaaS c) IaaS

Answer:

c) IaaS (infra for custom deployment).

10. Which is not one of the features of IoT devices? a) Remotely controllable b) Programmable c) Can turn themselves off if necessary d) All of the above

Answer:

d) All (IoT has these).

11. If Government plans to make a smart school by applying IoT concepts, how can each of the following be implemented... (a-f)

Answer:

a) e-textbooks: Cloud-synced devices.
b) Smart boards: Interactive IoT displays.
c) Online tests: Sensor-monitored proctoring.
d) Wifi sensors: Access control.
e) Bus sensors: GPS tracking.
f) Wearables: RFID attendance.

12. Five friends plan to try a startup... How can they avail the benefits of cloud services...?

Answer:

Use PaaS (e.g., Heroku) for app dev; IaaS for storage; low cost/scalable.

13. Governments provide various scholarships... Prepare a report on how blockchain...?

Answer:

Transparent ledger: Track allocation; immutable records prevent fraud; efficient verification.

14. How IoT and WoT are related?

Answer:

WoT: Web-based extension of IoT for unified integration.

15. Match the following: (Column A to B)

Answer:

Reminder medication → Smart Health
SMS forgot lock → Home Automation
SMS parking → Smart Parking
Turn off TV from watch → Smart Wearable

Tip: Practice applications (Q4); matching (Q15). Full marks: Point-wise, figures refs.

Key Concepts - In-Depth Exploration

Core ideas with examples, pitfalls, interlinks. Expanded: All concepts with steps/examples/pitfalls for easy learning. Depth: Debates, analysis. Table overflow fixed.

AI Simulation

Steps: 1. Knowledge base, 2. Learn/decide. Ex: Auto-tag. Pitfall: Bias. Interlink: ML. Depth: Human-like.

ML Training

Steps: 1. Train data, 2. Test accuracy. Ex: Predictions. Pitfall: Overfit. Interlink: NLP. Depth: Statistical.

Big Data 5Vs

Steps: Assess VVVVV. Ex: Social data. Pitfall: Ignore value. Interlink: Analytics. Depth: Challenges.

IoT Communication

Steps: 1. Embed connect, 2. Exchange data. Ex: Smart home. Pitfall: Security. Interlink: Sensors. Depth: WoT.

Cloud Models

Steps: IaaS infra → PaaS platform → SaaS app. Ex: AWS. Pitfall: Downtime. Interlink: Grid. Depth: Scalable.

Blockchain Verification

Steps: 1. Broadcast, 2. Nodes verify/add. Ex: Transaction (Fig 2.14). Pitfall: Scalability. Interlink: Decentralized. Depth: Security.

VR/AR Immersion

Steps: 1. Simulate/overlay, 2. Interact. Ex: Training. Pitfall: Motion sickness. Interlink: Robotics. Depth: Senses.

Robotics Automation

Steps: 1. Program sensors, 2. Execute tasks. Ex: Drone. Pitfall: Errors. Interlink: AI. Depth: Interdisciplinary.

Sensors in IoT

Steps: 1. Detect, 2. Process. Ex: Gyro. Pitfall: Interference. Interlink: Smart cities. Depth: Intelligent systems.

Grid Parallelism

Steps: 1. Divide tasks, 2. Nodes process. Ex: Simulations. Pitfall: Coordination. Interlink: Cloud. Depth: Virtual super.

NLP Interaction

Steps: 1. Speech-to-text, 2. Respond. Ex: Siri. Pitfall: Accents. Interlink: AI. Depth: Natural lang.

Data Analytics

Steps: 1. Examine, 2. Conclude. Ex: Pandas. Pitfall: Wrong tools. Interlink: Big Data. Depth: Informed decisions.

Smart City Mgmt

Steps: 1. Sensors detect, 2. Alert optimize. Ex: Tunnel (Fig 2.11). Pitfall: Integration. Interlink: IoT. Depth: Sustainable.

WoT Integration

Steps: 1. Web services, 2. Unified control. Ex: One interface. Pitfall: Compatibility. Interlink: IoT. Depth: Efficient.

Advanced: Ethics checklists, V assessment. Pitfalls: Veracity. Interlinks: To Ch3 data. Real: AI in healthcare. Depth: 14 concepts details. Examples: Real figs. Graphs: Trends. Errors: Vs mix. Tips: Steps evidence; compare tables (5Vs/Cloud).

Solved Examples - From Text with Simple Explanations

Expanded with evidence, calcs; focus on applications, analysis. Added 5Vs assessment, cloud model choice.

Example 1: Big Data 5Vs Assessment

Simple Explanation: Evaluate dataset.

Step 1: Volume - Check size (e.g., 1TB+).
Step 2: Velocity - Rate (e.g., real-time tweets).
Step 3: Variety - Types (text/video).
Step 4: Veracity - Clean noise.
Step 5: Value - Extract patterns.
Simple Way: VVVVV checklist.

Example 2: AI Decision Process

Simple Explanation: Knowledge base use.

Step 1: Input query (voice).
Step 2: NLP parse.
Step 3: Base match rules.
Step 4: ML predict.
Step 5: Output response.
Simple Way: Hear → Think → Speak.

Example 3: IoT Device Network

Simple Explanation: Communication setup.

Step 1: Embed sensors/connect WiFi.
Step 2: Exchange data (e.g., temp to app).
Step 3: WoT unify interface.
Step 4: Act (e.g., AC on).
Step 5: Analyze (smart city).
Simple Way: Connect → Talk → Respond.

Example 4: Cloud Service Selection

Simple Explanation: Model fit.

Step 1: Need infra? IaaS.
Step 2: Platform? PaaS.
Step 3: App? SaaS.
Step 4: Ex: Startup - PaaS deploy.
Step 5: Scale pay-per-use.
Simple Way: Build (IaaS) → Develop (PaaS) → Use (SaaS).

Example 5: Blockchain Transaction

Simple Explanation: Secure add.

Step 1: Request broadcast.
Step 2: Nodes verify.
Step 3: Add block to chain.
Step 4: Update all copies.
Step 5: Immutable record.
Simple Way: Propose → Check → Lock.

Example 6: Robotics Task Execution

Simple Explanation: Program run.

Step 1: Sensor detect (e.g., obstacle).
Step 2: AI decide path.
Step 3: Actuator move.
Step 4: Feedback loop.
Step 5: Log for learning.
Simple Way: See → Plan → Do → Adjust.

Tip: Practice self-assess; troubleshoot (e.g., veracity errors). Added for Vs, processes.

Quick Revision Notes & Mnemonics

Concise, easy-to-learn summaries for all subtopics. Structured in tables for quick scan: Key points, examples, mnemonics. Covers trends, characteristics, services. Bold key terms; short phrases for fast reading. Overflow fixed.

Subtopic	Key Points	Examples	Mnemonics/Tips
AI & Subsystems	AI: Simulate intelligence (ML/NLP/VR/AR/Robotics). ML: Learn from data. NLP: Language interaction.	Siri (AI); Predictions (ML); Voice search (NLP).	AMNVR (AI, ML, NLP, VR, Robotics). Tip: "Artificial Minds Navigate Virtual Realms".
Big Data	5Vs: Volume, Velocity, Variety, Veracity, Value. Analytics: Examine for insights (Pandas). Challenges: Unstructured/noisy.	Social posts (Fig 2.8); 5Vs diagram (Fig 2.9).	VVV V V (Very Very Vast, Verified Value). Tip: "Volume Velocity Variety Veracity Value" – Daily data explosion.
IoT	IoT: Device network (WoT/Sensors). Sensors: Detect/process. Smart Cities: Resource mgmt.	Smart home (Fig 2.10); Bridge alerts (Fig 2.11).	IWS (IoT, WoT, Sensors). Tip: "Internet Of Things Watches Smartly".
Cloud Computing	Models: IaaS (infra), PaaS (platform), SaaS (software). Benefits: Cost/time saving. MeghRaj: Govt cloud.	AWS (IaaS); Google Docs (SaaS) (Fig 2.12).	IPS (IaaS, PaaS, SaaS). Tip: "Infra Platform Software" – As-a-Service ladder.
Grid & Blockchain	Grid: Virtual supercomputer (data/CPU). Blockchain: Decentralized ledger (verify/add). Globus: Middleware.	Simulations (Fig 2.13); Crypto (Fig 2.14).	GB (Grid Blockchain). Tip: "Grid Builds Blocks" – Shared to secure.

Overall Tip: Use AMNVR-VVVVV-IWS-IPS-GB for full scan (5 mins). Flashcards: Front (term), Back (points + mnemonic). Print table for wall revision. Covers 100% chapter – easy for exams!

Key Terms & Processes - All Key

Expanded table 30+ rows; quick ref. Added advanced (e.g., Generative AI, Edge). Overflow fixed with word-break/overflow-wrap.

Term/Process	Description	Example	Usage
Artificial Intelligence	Human-like machine intelligence	Siri	Cognitive
Machine Learning	Learn from data algorithms	Predictions	AI sub
Natural Language Processing	Lang interaction human-comp	Voice search	NLP
Virtual Reality	3D simulated world	Headset (Fig 2.3)	Immersive
Augmented Reality	Digital overlay real	Location app (Fig 2.4)	Interactive
Robotics	Programmable machines	Sophia (Fig 2.6)	Automation
Big Data	Voluminous complex data	Social (Fig 2.8)	Analysis
Volume	Enormous size	Quintillion bytes	5V
Veracity	Trustworthiness	Noisy data	5V
Data Analytics	Examine for conclusions	Pandas	Insights
Internet of Things	Embedded device network	Smart home (Fig 2.10)	Connect
Web of Things	Web-integrated IoT	Unified app	WoT
Sensor	Physical input detect	Accelerometer	IoT
Smart City	IoT urban mgmt	Bridge sensors (Fig 2.11)	Sustain
Cloud Computing	On-demand Internet services	Google Drive	Scalable
IaaS	Infra as service	VMs	Hardware
SaaS	Software as service	Office 365	Apps
Grid Computing	Dispersed supercomputer	Nodes (Fig 2.13)	Parallel
Blockchain	Decentralized ledger	Crypto (Fig 2.14)	Secure
Generative AI	Content creation AI	ChatGPT	2025
Edge Computing	Local IoT process	Low latency	Advanced
Knowledge Base	AI facts store	Rules	Decisions
Humanoid	Human-like robot	Sophia	Gestures
Drone	Unmanned aircraft	Delivery (Fig 2.7)	Monitor
Velocity	Generation rate	Tweets/sec	5V
Variety	Data types	Text/video	5V
Value	Patterns business	Insights	5V
PaaS	Platform as service	App deploy	Dev
MeghRaj	Govt cloud India	GI Cloud	Public
Globus Toolkit	Grid middleware	Resource mgmt	Open
Append-Only	Blockchain feature	No alter	Secure
Smart Sensor	Process input	Gyro	IoT
Machine Translation	NLP app	Translate	Multilingual
Driving Simulator	VR training	Fig 2.2	Immersive
Mars Rover	Robotic explorer	NASA (Fig 2.5)	Mission
Quintillion	Big Data scale	Daily bytes	Volume
VPS	AR positioning	Indoor nav	Utility
Data Grid	Distributed access	Multi-user	Grid
CPU Grid	Parallel process	Subtasks	Grid

Tip: Examples memory; sort subtopic. Easy: Table scan. Added 10 rows depth.

Processes Step-by-Step

Step-by-step breakdowns of core processes. Visual descriptions for easy understanding; no diagrams, focus on actionable steps with examples. Overflow fixed in tables.

Process 1: ML Model Training

Step 1: Gather training data.
Step 2: Apply algorithms.
Step 3: Test accuracy.
Step 4: Iterate/improve.
Step 5: Deploy for predictions.

Visual: Loop – Data → Train → Test → Refine.

Process 2: NLP Text-to-Speech

Step 1: Input text.
Step 2: Parse language.
Step 3: Generate audio.
Step 4: Output voice.
Step 5: Feedback refine.

Visual: Pipeline – Text → Parse → Speak.

Process 3: Big Data Analytics

Step 1: Collect/assess 5Vs.
Step 2: Clean/integrate.
Step 3: Analyze (Pandas).
Step 4: Visualize conclusions.
Step 5: Apply value.

Visual: Funnel – Raw → Clean → Insight.

Process 4: IoT Data Exchange

Step 1: Sensor detect.
Step 2: Transmit via network.
Step 3: Device receive/act.
Step 4: WoT unify.
Step 5: Analyze response.

Visual: Chain – Sense → Send → Act.

Process 5: Cloud Deployment (PaaS)

Step 1: Choose platform.
Step 2: Upload code.
Step 3: Configure auto-scale.
Step 4: Deploy live.
Step 5: Monitor/pay-use.

Visual: Upload → Run → Scale.

Process 6: Blockchain Transaction

Step 1: Request broadcast.
Step 2: Nodes validate.
Step 3: Add block.
Step 4: Update chain copies.
Step 5: Confirm complete.

Visual: Network – Propose → Verify → Chain.

Tip: Follow steps like recipe; apply to figs (2.9/2.14). Easy: Number + example per step.

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#26

Class 11 Psychology — What is Psychology? (Practice Quiz)

10 Qs · ~10 min

#27

Class 11 Sociology — Indian Sociologists (Practice Quiz)

10 Qs · ~10 min

#28

Class 11 Sociology — Introducing Western Sociologists (Practice Quiz)

10 Qs · ~10 min

#29

Class 11 Sociology — Environment and Society (Practice Quiz)

10 Qs · ~10 min

#30

Class 11 Sociology — Social Change and Social Order in Rural and Urban Society (Practice Quiz)

10 Qs · ~10 min

#31

Class 11 Sociology — Social Structure, Stratification and Social Processes in Society (Practice Quiz)

10 Qs · ~10 min

#32

Class 11 Sociology — Doing Sociology: Research Methods (Practice Quiz)

10 Qs · ~10 min

#33

Class 11 Sociology — Culture and Socialisation (Practice Quiz)

10 Qs · ~10 min

#34

Class 11 Sociology — Understanding Social Institutions (Practice Quiz)

10 Qs · ~10 min

#35

Class 11 Sociology — Terms, Concepts and Their Use in Sociology (Practice Quiz)

10 Qs · ~10 min

#36

Class 11 Sociology — Sociology and Society (Practice Quiz)

10 Qs · ~10 min

#37

Class 11 Political Science — The Philosophy of the Constitution (Practice Quiz)

10 Qs · ~10 min

#38

Class 11 Political Science — Constitution as a Living Document (Practice Quiz)

10 Qs · ~10 min

#39

Class 11 Political Science — Local Governments (Practice Quiz)

10 Qs · ~10 min

#40

Class 11 Political Science — Federalism (Practice Quiz)

10 Qs · ~10 min

#41

Class 11 Political Science — Judiciary (Practice Quiz)

10 Qs · ~10 min

#42

Class 11 Political Science — Legislature (Practice Quiz)

10 Qs · ~10 min

#43

Class 11 Political Science — Executive (Practice Quiz)

10 Qs · ~10 min

#44

Class 11 Political Science — Election and Representation (Practice Quiz)

10 Qs · ~10 min

#45

Class 11 Political Science — Rights in the Indian Constitution (Practice Quiz)

10 Qs · ~10 min

#46

Class 11 Political Science — Constitution: Why and How? (Practice Quiz)

10 Qs · ~10 min

#47

Class 11 Political Science — Secularism (Practice Quiz)

10 Qs · ~10 min

#48

Class 11 Political Science — Nationalism (Practice Quiz)

10 Qs · ~10 min

#49

Class 11 Political Science — Citizenship (Practice Quiz)

10 Qs · ~10 min

#50

Class 11 Political Science — Rights (Practice Quiz)

10 Qs · ~10 min

#51

Class 11 Political Science — Social Justice (Practice Quiz)

10 Qs · ~10 min

#52

Class 11 Political Science — Equality (Practice Quiz)

10 Qs · ~10 min

#53

Class 11 Political Science — Freedom (Practice Quiz)

10 Qs · ~10 min

#54

Class 11 Political Science — Political Theory: An Introduction (Practice Quiz)

10 Qs · ~10 min

#55

Class 11 Geography — Natural Hazards and Disasters (Practice Quiz)

10 Qs · ~10 min

#56

Class 11 Geography — Natural Vegetation (Practice Quiz)

10 Qs · ~10 min

#57

Class 11 Geography — Climate (Practice Quiz)

10 Qs · ~10 min

#58

Class 11 Geography — Drainage System (Practice Quiz)

10 Qs · ~10 min

#59

Class 11 Geography — Structure and Physiography (Practice Quiz)

10 Qs · ~10 min

#60

Class 11 Geography — India – Location (Practice Quiz)

10 Qs · ~10 min

#61

Class 11 Geography — Biodiversity and Conservation (Practice Quiz)

10 Qs · ~10 min

#62

Class 11 Geography — Movements of Ocean Water (Practice Quiz)

10 Qs · ~10 min

#63

Class 11 Geography — Water (Oceans) (Practice Quiz)

10 Qs · ~10 min

#64

Class 11 Geography — World Climate and Climate Change (Practice Quiz)

10 Qs · ~10 min

#65

Class 11 Geography — Water in the Atmosphere (Practice Quiz)

10 Qs · ~10 min

#66

Class 11 Geography — Atmospheric Circulation and Weather Systems (Practice Quiz)

10 Qs · ~10 min

#67

Class 11 Geography — Solar Radiation, Heat Balance and Temperature (Practice Quiz)

10 Qs · ~10 min

#68

Class 11 Geography — Composition and Structure of Atmosphere (Practice Quiz)

10 Qs · ~10 min

#69

Class 11 Geography — Landforms and their Evolution (Practice Quiz)

10 Qs · ~10 min

#70

Class 11 Geography — Geomorphic Processes (Practice Quiz)

10 Qs · ~10 min

#71

Class 11 Geography — Distribution of Oceans and Continents (Practice Quiz)

10 Qs · ~10 min

#72

Class 11 Geography — Interior of the Earth (Practice Quiz)

10 Qs · ~10 min

#73

Class 11 Geography — The Origin and Evolution of the Earth (Practice Quiz)

10 Qs · ~10 min

#74

Class 11 Geography — Geography as a Discipline (Practice Quiz)

10 Qs · ~10 min

#75

Class 11 History — Paths to Modernisation (Practice Quiz)

10 Qs · ~10 min

#76

Class 11 History — Displacing Indigenous Peoples (Practice Quiz)

10 Qs · ~10 min

#77

Class 11 History — Changing Cultural Traditions (Practice Quiz)

10 Qs · ~10 min

#78

Class 11 History — The Three Orders (Practice Quiz)

10 Qs · ~10 min

#79

Class 11 History — Nomadic Empires (Practice Quiz)

10 Qs · ~10 min

#80

Class 11 History — An Empire Across Three Continents (Practice Quiz)

10 Qs · ~10 min

#81

Class 11 History — Writing and City Life (Practice Quiz)

10 Qs · ~10 min

#82

Class 11 Economics — Comparative Development Experiences of India and its Neighbours (Practice Quiz)

10 Qs · ~10 min

#83

Class 11 Economics — Environment and Sustainable Development (Practice Quiz)

10 Qs · ~10 min

#84

Class 11 Economics — Employment: Growth, Informalisation and Other Issues (Practice Quiz)

10 Qs · ~10 min

#85

Class 11 Economics — Rural Development (Practice Quiz)

10 Qs · ~10 min

#86

Class 11 Economics — Human Capital Formation in India (Practice Quiz)

10 Qs · ~10 min

#87

Class 11 Economics — Liberalisation, Privatisation and Globalisation: An Appraisal (Practice Quiz)

10 Qs · ~10 min

#88

Class 11 Economics — Indian Economy 1950-1990 (Practice Quiz)

10 Qs · ~10 min

#89

Class 11 Economics — Indian Economy on the Eve of Independence (Practice Quiz)

10 Qs · ~10 min

#90

Class 11 Economics — Use of Statistical Tools (Practice Quiz)

10 Qs · ~10 min

#91

Class 11 Economics — Index Numbers (Practice Quiz)

10 Qs · ~10 min

#92

Class 11 Economics — Correlation (Practice Quiz)

10 Qs · ~10 min

#93

Class 11 Economics — Measures of Central Tendency (Practice Quiz)

10 Qs · ~10 min

#94

Class 11 Economics — Presentation of Data (Practice Quiz)

10 Qs · ~10 min

#95

Class 11 Economics — Organisation of Data (Practice Quiz)

10 Qs · ~10 min

#96

Class 11 Economics — Collection of Data (Practice Quiz)

10 Qs · ~10 min

#97

Class 11 Economics — Introduction (Practice Quiz)

10 Qs · ~10 min

#98

Class 11 Business Studies — International Business (Practice Quiz)

10 Qs · ~10 min

#99

Class 11 Business Studies — Internal Trade (Practice Quiz)

10 Qs · ~10 min

#100

Class 11 Business Studies — MSME and Business Entrepreneurship (Practice Quiz)

10 Qs · ~10 min

#101

Class 11 Business Studies — Sources of Business Finance (Practice Quiz)

10 Qs · ~10 min

#102

Class 11 Business Studies — Formation of a Company (Practice Quiz)

10 Qs · ~10 min

#103

Class 11 Business Studies — Social Responsibilities of Business and Business Ethics (Practice Quiz)

10 Qs · ~10 min

#104

Class 11 Business Studies — Emerging Modes of Business (Practice Quiz)

10 Qs · ~10 min

#105

Class 11 Business Studies — Business Services (Practice Quiz)

10 Qs · ~10 min

#106

Class 11 Business Studies — Private, Public and Global Enterprises (Practice Quiz)

10 Qs · ~10 min

#107

Class 11 Business Studies — Forms of Business Organisation (Practice Quiz)

10 Qs · ~10 min

#108

Class 11 Business Studies — Business, Trade and Commerce (Practice Quiz)

10 Qs · ~10 min

#109

Class 11 Accountancy — Financial Statements - II (Practice Quiz)

10 Qs · ~10 min

#110

Class 11 Accountancy — Financial Statements - I (Practice Quiz)

10 Qs · ~10 min

#111

Class 11 Accountancy — Depreciation, Provisions and Reserves (Practice Quiz)

10 Qs · ~10 min

#112

Class 11 Accountancy — Trial Balance and Rectification of Errors (Practice Quiz)

10 Qs · ~10 min

#113

Class 11 Accountancy — Bank Reconciliation Statement (Practice Quiz)

10 Qs · ~10 min

#114

Class 11 Accountancy — Recording of Transactions - II (Practice Quiz)

10 Qs · ~10 min

#115

Class 11 Accountancy — Recording of Transactions - I (Practice Quiz)

10 Qs · ~10 min

#116

Class 11 Accountancy — Theory Base of Accounting (Practice Quiz)

10 Qs · ~10 min

#117

Class 11 Accountancy — Introduction to Accounting (Practice Quiz)

10 Qs · ~10 min

#118

Class 11 Maths — Probability (Practice Quiz)

10 Qs · ~10 min

#119

Class 11 Maths — Statistics (Practice Quiz)

10 Qs · ~10 min

#120

Class 11 Maths — Limits and Derivatives (Practice Quiz)

10 Qs · ~10 min

#121

Class 11 Maths — Introduction to Three Dimensional Geometry (Practice Quiz)

10 Qs · ~10 min

#122

Class 11 Maths — Conic Sections (Practice Quiz)

10 Qs · ~10 min

#123

Class 11 Maths — Straight Lines (Practice Quiz)

10 Qs · ~10 min

#124

Class 11 Maths — Sequences and Series (Practice Quiz)

10 Qs · ~10 min

#125

Class 11 Maths — Binomial Theorem (Practice Quiz)

10 Qs · ~10 min

#126

Class 11 Maths — Permutations and Combinations (Practice Quiz)

10 Qs · ~10 min

#127

Class 11 Maths — Linear Inequalities (Practice Quiz)

10 Qs · ~10 min

#128

Class 11 Maths — Complex Numbers and Quadratic Equations (Practice Quiz)

10 Qs · ~10 min

#129

Class 11 Maths — Relations and Functions (Practice Quiz)

10 Qs · ~10 min

#130

Class 11 Maths — Sets (Practice Quiz)

10 Qs · ~10 min

#131

Class 11 Biology — Chemical Coordination and Integration (Practice Quiz)

10 Qs · ~10 min

#132

Class 11 Biology — Neural Control and Coordination (Practice Quiz)

10 Qs · ~10 min

#133

Class 11 Biology — Locomotion and Movement (Practice Quiz)

10 Qs · ~10 min

#134

Class 11 Biology — Excretory Products and their Elimination (Practice Quiz)

10 Qs · ~10 min

#135

Class 11 Biology — Body Fluids and Circulation (Practice Quiz)

10 Qs · ~10 min

#136

Class 11 Biology — Breathing and Exchange of Gases (Practice Quiz)

10 Qs · ~10 min

#137

Class 11 Biology — Plant Growth and Development (Practice Quiz)

10 Qs · ~10 min

#138

Class 11 Biology — Respiration in Plants (Practice Quiz)

10 Qs · ~10 min

#139

Class 11 Biology — Photosynthesis in Higher Plants (Practice Quiz)

10 Qs · ~10 min

#140

Class 11 Biology — Cell Cycle and Cell Division (Practice Quiz)

10 Qs · ~10 min

#141

Class 11 Biology — Biomolecules (Practice Quiz)

10 Qs · ~10 min

#142

Class 11 Biology — Cell: The Unit of Life (Practice Quiz)

10 Qs · ~10 min

#143

Class 11 Biology — Structural Organisation in Animals (Practice Quiz)

10 Qs · ~10 min

#144

Class 11 Biology — Anatomy of Flowering Plants (Practice Quiz)

10 Qs · ~10 min

#145

Class 11 Biology — Morphology of Flowering Plants (Practice Quiz)

10 Qs · ~10 min

#146

Class 11 Biology — Animal Kingdom (Practice Quiz)

10 Qs · ~10 min

#147

Class 11 Biology — Plant Kingdom (Practice Quiz)

10 Qs · ~10 min

#148

Class 11 Biology — Biological Classification (Practice Quiz)

10 Qs · ~10 min

#149

Class 11 Biology — The Living World (Practice Quiz)

10 Qs · ~10 min

#150

Class 11 Chemistry — Hydrocarbons (Practice Quiz)

10 Qs · ~10 min

#151

Class 11 Chemistry — Organic Chemistry – Some Basic Principles and Techniques (Practice Quiz)

10 Qs · ~10 min

#152

Class 11 Chemistry — Redox Reactions (Practice Quiz)

10 Qs · ~10 min

#153

Class 11 Chemistry — Equilibrium (Practice Quiz)

10 Qs · ~10 min

#154

Class 11 Chemistry — Chemical Bonding and Molecular Structure (Practice Quiz)

10 Qs · ~10 min

#155

Class 11 Chemistry — Classification of Elements and Periodicity in Properties (Practice Quiz)

10 Qs · ~10 min

#156

Class 11 Chemistry — Some Basic Concepts of Chemistry (Practice Quiz)

10 Qs · ~10 min

#157

Class 11 Physics — Waves (Practice Quiz)

10 Qs · ~10 min

#158

Class 11 Physics — Oscillations (Practice Quiz)

10 Qs · ~10 min

#159

Class 11 Physics — Kinetic Theory (Practice Quiz)

10 Qs · ~10 min

#160

Class 11 Chemistry — Thermodynamics (Practice Quiz)

10 Qs · ~10 min

#161

Class 11 Physics — Thermal Properties of Matter (Practice Quiz)

10 Qs · ~10 min

#162

Class 11 Physics — Mechanical Properties of Fluids (Practice Quiz)

10 Qs · ~10 min

#163

Class 11 Physics — Mechanical Properties of Solids (Practice Quiz)

10 Qs · ~10 min

#164

Class 11 Physics — Gravitation (Practice Quiz)

10 Qs · ~10 min

#165

Class 11 Physics — Systems of Particles and Rotational Motion (Practice Quiz)

10 Qs · ~10 min

#166

Class 11 Physics — Work, Energy and Power (Practice Quiz)

10 Qs · ~10 min

#167

Class 11 Physics — Motion in a Plane (Practice Quiz)

10 Qs · ~10 min

#168

Class 11 Physics — Motion in a Straight Line (Practice Quiz)

10 Qs · ~10 min

#169

Class 11 Physics — Units and Measurement (Practice Quiz)

10 Qs · ~10 min

#170

Class 11 Maths — Trigonometric Functions (Practice Quiz)

10 Qs · ~10 min

#171

Class 11 Chemistry — Structure of Atom (Practice Quiz)

10 Qs · ~10 min

#172

Class 11 Physics — Laws of Motion (Practice Quiz)

10 Qs · ~10 min

#173

Business Studies (Class 11) Practice Quiz | CBSE Class 11 Annual Assessment

10 Qs · ~10 min

#174

Economics (Class 11) Practice Quiz | CBSE Class 11 Annual Assessment

10 Qs · ~10 min

#175

Humanities Subjects Practice Quiz | CBSE Class 11 Annual Assessment

10 Qs · ~10 min

#176

Motion in a Straight Line Practice Quiz | CBSE Class 11 Annual Assessment

10 Qs · ~10 min

#177

Thermodynamic Processes and Laws Advanced Challenge | CBSE Class 11 Annual Assessment

10 Qs · ~10 min

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