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  • TOPICS
  • Electricity and Electronics
    • Electricity
      • Electric Charge
      • Current
      • Circuits
      • Voltage
      • Resistance
      • Conductors and Insulators
    • Electronics
      • Semiconductors
      • Passive Components
      • Active Components
      • Power Supply
  • Computer Hardware
    • Hardware Types
    • Hardware Components
    • Operating Systems
  • Computer Networks
    • Characteristics
    • Components
    • Connections
      • Ethernet
      • WiFi
      • Cellular
      • Bluetooth
    • Protocols
    • Security
      • Encryption
      • Transport Layer Security
      • Public Key Infrastructure
    • The Internet and WWW
      • Infrastructure
      • Core Applications
      • World Wide Web
        • Web Servers and Browsers
        • Websites and Web Apps
  • Computer Programming
    • Computational Thinking
      • Algorithms
      • Flowcharts
    • Programming Constructs
      • Variables and Data Types
      • Arrays
      • Loops
      • Conditional Flows
      • Functions
    • Programming Languages
      • Low Level
      • High Level
      • Compilers
      • No-Code/Low-Code
    • Integrated Development Environments
    • Version Control
  • App Development
    • Architecture
      • Multi-Tier
      • Service Oriented
        • Microservices
        • REST APIs
        • XML and JSON Data Formats
        • Asynchronous Functions
        • Callbacks and Promises
    • Web and Mobile
      • UI/UX Design
      • Cross-Platform Apps
    • Technology Stacks
      • HTML, CSS, JavaScript
      • Frameworks
  • Databases
    • Relational
      • Data Structures
      • SQL
    • NoSQL
      • Data Structures
      • Query Language
    • Big Data
      • Warehouses and Lakes
      • Data Analytics
    • Data Security
      • Data Encryption
      • Data Hashing
  • Microcontrollers
    • Boards
      • Arduino Uno
      • Arduino Nano
      • ESP32
      • Raspberry Pico
    • Pins
    • Power Supply
    • Circuits
      • Design
      • Diagrams
      • Assembly
      • Fabrication
    • Data Transmission
      • UART
      • SPI
      • I2C
    • Programming
  • Physical Computing
    • Sensors
      • Basic
      • Advanced
    • Controllers
      • Relays
      • Actuators
      • Motors
    • Input/Output
      • Input Devices
        • Keypad
        • Pushbutton
        • Joystick
      • Output Devices
        • LED
        • LCD
        • Buzzer
    • Communication
      • WiFi
      • Bluetooth
      • Bluetooth Low Energy
      • Cellular
      • LoRa
      • Radio
  • Cloud Computing
    • Infrastructure as a Service
      • Virtualization
      • Commissioning Servers
      • Containerization
      • Serverless Computing
    • Software as a Service
    • Platform as a Service
    • Cloud Service Providers
  • Internet of Things
    • IoT Components
      • Sensors
      • Gateways
      • Processors
      • Controllers
      • Workers
    • IoT Applications
      • Smart Homes
      • Smart Cities
      • Smart Factories
      • Smart Wearables
    • IoT Challenges
      • Security
      • Reliability
      • Bandwidth
      • Power
      • Standards
    • Data Transfer
      • Messaging
      • MQTT
      • MQTT Brokers
      • API Services
    • IoT Platforms
      • MQTT
      • Data Visualization
      • Sensor Management
  • Artificial Intelligence
    • Concepts
      • Human vs Artificial Intelligence
      • Cognitive Computing
      • Machine Learning
      • Generative AI
      • Neural Networks
      • Challenges
    • Applications
      • Transportation
      • Customer Service
      • Manufacturing
      • Financial Services
      • Retail
      • Health and Safety
    • Algorithms
      • Data Analytics
      • Natural Language Processing
      • Speech Recognition
      • Computer Vision
      • Predictive Maintenance
    • Algorithms-as-a-Service
      • AWS Comprehend
      • AWS Lex
      • AWS Polly
      • AWS Rekognition
      • AWS Sagemaker
      • AWS Personalize
      • AWS Transcribe
      • AWS Lookout
      • Alexa Voice Control
  • Blockchain
    • Characteristics
      • Decentralisation
      • Transparency
      • Immutability
      • Traceability
      • Security
    • Concepts
      • Networks
      • Transactions
      • Blocks
      • Mining
      • Consensus Algorithms
        • Proof of Work
        • Proof of Authority
        • Proof of Stake
      • Distributed Ledger Technology
    • Challenges
      • Processing Speed
      • Scalability
      • Processing Power
      • Power Consumption
    • Applications
      • Cryptocurrency
      • Banking and Finance
      • Supply Chain Management
    • Encryption
      • Digital Signatures
      • Hash Functions
      • Merkle Trees
    • Smart Contracts
      • Concepts
      • Events and Actions
      • Applications
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Topics
Blockchain
Concepts
Consensus Algorithms
Proof of Authority

Proof of Authority

Proof of WorkProof of Stake
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