E-commerce

Duration: 1 min

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Inside: a video lesson and guided study material.

Module outline

  1. Paper-I | Mathematical Abilities: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Number System, Speed Time and Distance, Arithmetic, Percentage, Average, Simple Interest and Compound Interest, Profit and Loss, Partnership, Time and Work, Algebra, Mensuration and Geometry, Trigonometry, Linear Algebra
  2. Paper-I | Reasoning & General Intelligence: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Selection Decision Table (Decision Making), Logical Sequence Of Words, Crypt Arithmetic, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence, Clerical Aptitude, Verbal Classification
  3. Paper-I | English Language & Comprehension: Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Pronoun, Preposition, Articles, Direct and Indirect Speech, Conjunction, Modals, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Sentence Construction, Active Passive Voice (Voice), Determiner, Facts, Inference and Judgements
  4. Paper-I | General Awareness: Polity, Physics, Biology, Chemistry, Environment, GK- Current Affairs, Static General Knowledge, History, Geography, Indian Economy
  5. Paper-I | Computer Knowledge/Proficiency): Basics of COA, Transport Layer Services, Keyboard Shortcuts, MS Office Applications, MS Office by Yash Sir, Emerging Tech Trends, Society, Law & Ethics, Website, Browser & Services, Internet Fundamentals, Web Design & Development, Introduction to CN, Hardware basics, Network Security, Application Layer, Cyber and Info Security, Cyber Threats and Malware Attacks, Cyber Safety and Security, Role of Internet and Web Services, Security in Mobile and Wireless Computing
  6. Paper-II | Statistics: Statistics, Probability, Research Process Steps
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video lecture provides an overview of internet protocols and concepts, specifically focusing on Usenet and E-commerce. The initial segment displays text defining Usenet as a global network of news discussion groups where users can browse and comment on posts using newsreader software. It explicitly mentions the use of the Network News Transfer Protocol (NNTP). The lecture then transitions to point number 12, defining E-commerce as electronic commerce. This is described as a business concept enabling businesses and individuals to buy and sell goods through the internet. The instructor highlights specific examples such as Amazon and Flipkart, noting they are websites or apps.

Chapters

  1. 0:00 – 1:12 00:00-01:12

    The instructor begins by explaining Usenet, showing text that details how newsgroups contain conversations on specific topics. She then introduces E-commerce, underlining key terms like 'internet' and 'Example: Amazon, Flipkart'. As she speaks, she draws a diagram to illustrate network connectivity. This diagram features a stick figure representing a user connected to a computer server. She labels the connection line with 'PING' and 'ICMP' (Internet Control Message Protocol), indicating a check for reachability, which she writes as 'Reachable' next to the server. Finally, she writes 'Shopping' and 'Selling' on the left side of the screen to reinforce the core activities of e-commerce.

The lesson effectively bridges technical networking concepts with practical business applications. By defining Usenet and E-commerce, the instructor establishes a foundation for understanding how information and goods are exchanged over the internet. The diagram serves as a visual aid to explain how connectivity is verified using ICMP and PING, which is fundamental for the online transactions described in the e-commerce section. The handwritten notes emphasize the dual nature of e-commerce: buying (shopping) and selling.

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