Web or Internet

Duration: 2 min

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Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. General Knowledge: Polity, Physics, Biology, State Wise GK, Chemistry, History, Geography, GK- Current Affairs, Indian Economy, Static General Knowledge, Environment, Evolution of Indian Banking (Banking & Financial Awareness)
  3. Mental Aptitude and Reasoning: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Permutation and Combination, Number System, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Vocabulary, Profit and Loss, Arithmetic, Mental Ability, Percentage, Algebra, Mensuration and Geometry, Age Problems, Clock, Calendar, Verbal Analogy (Word Based Analogy), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Analogy, Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Selection Decision Table (Decision Making), Cubes & Dices, Blood Relations, Venn Diagram, Logical Sequence Of Words, Inequality, Directions (Direction Test), Data Arrangement, Facts, Inference and Judgements, Syllogisms, Seating Arrangements, Ranking, Order and Sequence
  4. CS | Computer Fundamentals: Basics of COA, Number System, Number Representation, C Fundamentals, Algorithm Analysis, Input Output Organisation
  5. CS | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, SQL
  6. CS | Workplace productivity Tools: MS Office Applications, Keyboard Shortcuts
  7. CS | Computer Networks: Introduction to CN, Data Communication, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, Application Layer, Hardware Basics, Network Security
  8. CS | The Internet: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Web Publishing & Hosting, Server Side & Security, Emerging Technologies
  9. CS | Emerging Technologies: Artificial Intelligence, Emerging Tech Trends, Introduction to OS, Windows OS, Linux OS, Unix OS, JavaScript-Basics
  10. CS | Boolean algebra: Digital Systems & Boolean Basics, Boolean Expression, Boolean Minimization, Logic Gates & Hardware
  11. CS | Data Structures: Introduction to DS, Array, Stack, Queue
  12. CS | Cryptography: Society, Law & Ethics, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Electronic Data Interchange and E-Commerce, Physical Security and Cryptography Basics, Intrusion Detection Systems (IDS), Cyber Safety and Security
  13. UP Police Previous Year Papers:
  14. UP Police Full Mock Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video lecture provides a detailed comparison between the Internet and the World Wide Web, structured around seven key points displayed on a PDF document. The instructor begins by emphasizing that the Internet and the Web are distinct entities. The Internet is defined as a global data communications system comprising hardware and software infrastructure that connects computers, essentially a network of networks that can be wired or wireless. In contrast, the Web is described as a collection of software, protocols, and interconnected documents linked by hyperlinks and URLs. It is characterized as an application running on the Internet. The instructor notes that while the Internet was useful before the Web, most users now access it through the Web. Point 6 explicitly states the Internet provides connectivity while the Web is a service. The lecture concludes by introducing the Client/Server system, defining web servers as computers that distribute files and web clients as browsers that request them, and explaining the structure of URLs with the example http://www.nielit.in.

Chapters

  1. 0:00 – 1:44 00:00-01:44

    The instructor reviews seven points distinguishing the Internet from the Web. She annotates the screen, writing Internet -> Network of Network and wired wireless to clarify connectivity. She underlines software and protocols in point 3 and interconnected documents in point 7. She writes linked -> hyperlinks at the bottom. The video then scrolls to a new section explaining the Client/Server system, defining web servers as computers connected to the internet that run programs to sort and distribute files, and web clients as computers that request files. It also explains that URLs specify the protocol, server name, and path, illustrated by the example http://www.nielit.in.

The lecture establishes a fundamental distinction: the Internet is the physical and logical infrastructure (network of networks), whereas the Web is a service and application layer built upon it. By defining the Web as interconnected documents linked by hyperlinks, the instructor sets the stage for understanding web architecture. The transition to the Client/Server model and URLs provides the technical context for how users interact with this application layer, completing the conceptual framework of web technologies.

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