Chapter 4h - Internet Technology
Page 1: Introduction to Internet Technology
Title: AIPU Asia Pacific University of Technology & Innovation
Course: Perspectives in Technology CT003-4-0-PT
Focus: Chapter 4 Internet Technology
Page 2: Lesson Overview
Topics Covered:
Introduction to Internet, Intranet, and Extranet
Introduction to Internet Technologies
Overview of the World Wide Web
Evolution of Web Technologies:
Web 1.0
Web 2.0
Web 3.0
Web 4.0
Web 5.0
Internet of Things (IoT)
Challenges in Internet Technologies
Page 3: Learning Outcomes
Objectives: By the end of this module, students should be able to:
Define Internet, Intranet, and Extranet
Explain the World Wide Web
Identify the evolution of web technologies
Define the Internet of Things
Discuss issues arising in Internet technologies
Page 4: Key Terms
Important Terms to Understand:
Internet
Intranet
Extranet
World Wide Web
Web technologies
Semantic Web
Internet of Things
Page 5: What is the Internet?
Definition:
An interconnected network of computers
Network of networks
Allows access to information over the web
Utilizes standard Internet Protocol (TCP/IP)
Serves billions of users worldwide
Page 6: Internet Pros and Cons
Advantages:
Education and technology
Social networking
Entertainment
Online services
Disadvantages:
Threats to personal information
Spamming
Cyber Crime
Virus Attacks
Page 7: Intranet Definition
Definition:
Private network of computers within an organization
Features its own server and firewall
Secure system for internal communication
Example: APU's Moodle and MS Teams access
Page 8: Intranet Access
Access:
Restricted to authorized users, typically employees
Purpose: Share company information and resources
Page 9: Intranet Benefits
Benefits of Intranet:
Enhanced communication
Promotes collaboration
Saves time and costs
Improves business management and productivity
Provides immediate updates
Page 10: Intranet Issues
Management Concerns:
Loss of control
Hidden complexities
Potential chaos
Security Concerns:
Unauthorized access
Denial of service attacks
Packet sniffing
Information overload
Page 11: Differences Between Internet, Intranet, and Extranet
Internet:
Global access, not secure
Less expensive
Intranet:
Internal, secure
More expensive
Extranet:
Extension of Intranet
Limited external access for partners
Page 12: Internet Technologies
Definition:
Group of technologies enabling access to information and communication via the World Wide Web
Includes web browsers, FTP, email, and more
Page 13: World Wide Web (WWW)
Definition:
System used to access the Internet
Allows navigation between documents containing text, graphics, audio, and video through hyperlinks
Page 14: Web Infrastructure
Web Servers:
Computers hosting publicly available files
Web Clients:
Computers using the Internet as part of the Web
Web Browsers:
Software enabling functionality of web clients
Page 15: Evolution of Web Technologies
Web 1.0:
Static web, read-only format
Web 2.0:
User-generated content, read-write web
Web 3.0:
Semantic web, intelligent interactions
Page 16: More on Web Technologies
Web 4.0:
Focus on mobile web interactions
Web 5.0:
Emotional web, human-connectivity emphasis
Page 17: Web 1.0 Characteristics
Features:
Information primarily one-way (read only)
Limited user interaction and content contribution
Page 18: Web 2.0 Overview
Characteristics:
Emphasis on sharing, collaboration, and user-generated content
Examples include social media, blogs, wikis, and video sharing platforms
Page 19: Advantages of Web 2.0
Benefits:
Accessibility anytime, anywhere
User-friendly interfaces
Supports dynamic learning communities
Page 20: Web 3.0 Explained
Definition:
Data-driven, uses a machine-based understanding of data
Merges semantic web with IoT
Page 21: Comparing Web Eras
Web 1.0:
Content destinations
Web 2.0:
Collaborative and trust-based interactions
Web 3.0:
Personalized and efficient search capabilities
Page 22: Continued Comparison
Web 1.0 vs 2.0 vs 3.0
Each era emphasizes different aspects of user interaction and content production
Page 23: Vision of Web 4.0
Future Aspirations:
Comparable to human intelligence
Real-time connectivity across devices
Page 24: Practical Applications of Web 4.0
Examples of emerging applications within Web 4.0
Smart home devices, linked business services
Page 25: Internet of Things Beginnings
Evolution from Web 3.0, introduces connected smart appliances
Page 26: Impact of Web 4.0 on Retail
Innovations in shopping experiences through virtual environments
Page 27: IoT in Medicine
Biomedical chip implant technology will emerge with Web 4.0 enhancing health management
Page 28: Major Applications of IoT
Areas impacted by IoT technology like smart homes and automated systems
Page 29: Understanding IoT
Definition of IoT
Devices collecting and sharing data globally
Page 30: Purpose of IoT
Goals of IoT
Enhance collaboration among devices, reduce human intervention
Page 31: IoT Categories
Functionalities of IoT devices:
Collecting and acting on information
Page 32: IoT in Healthcare
Application:
Enables real-time data collection and smarter devices for better analytics
Page 33: IoT in Smart Cities
Applications:
Traffic management, video surveillance, resource efficiency
Page 34: IoT in Agriculture
Applications:
Drones, predictive analytics, and satellite imagery for smart farming
Page 35: IoT in Industrial Automation
Innovations in industry through smart appliances and predictive maintenance technologies
Page 36: IoT in Disaster Management
Uses sensors and smart tracking systems for effective disaster response
Page 37: Future of IoT
Areas for improvement:
Security and real-time efficiency
Page 38: Challenges in Internet Technologies
Issues faced:
Abusive practices like spam, privacy invasions, and insecure content
Page 39: Challenges in IoT
Concerns:
Cloud attacks, AI issues, and understanding the complexities of IoT
Page 40: [Blank Section]
Page 41: Technology Process Overview
Preview of Next Session: Focus on technology process design and implementation.