Use case approach

Duration: 3 min

This video lesson is available to enrolled students.

Return to /learn/LTI-MINDTREE-PREPARATION/software-engineering/software-requirements-and-quality-assurance/requirement-analysis-and-modeling/asset-use-case-approach after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. English Comprehension/Verbal Ability: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Vocabulary, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Subject Verb Agreement (Verb Noun Agreement), Tenses, Verb, Articles, Preposition, Conjunction, Pronoun, Noun, Adjectives, Adverb, Modals, Cloze Test (Cloze Passage), Active Passive Voice (Voice), Direct and Indirect Speech, Sentence Construction
  2. Logical Ability: Coding Decoding, Directions (Direction Test), Analogy, Inequality, Data Sufficiency, Series (Number and Letter Series) (Numerical Relations and Reasoning), Syllogisms, Seating Arrangements, Puzzle Solving (Puzzles), Blood Relations, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Ranking, Order and Sequence, Logical Sequence Of Words, Data Arrangement, Venn Diagram, Calendar, Clock
  3. Quantitative Ability: Logarithm, Permutation and Combination, Probability, Profit and Loss, Speed Time and Distance, Mixture and Alligation, Partnership, Simple Interest and Compound Interest, Percentage, Ratio and Proportion (Ratios), Average, Time and Work, Pipe and Cistern, Number System, Divisibility Rules, HCF LCM, Algebra, Powers and Exponents (Surds and Indices), Mensuration and Geometry, Age Problems, Data Interpretation, Sequence and Series (Series)
  4. Basic Analytical Ability: Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Analytical Reasoning (Counting Figures Reasoning), Cubes & Dices, Selection Decision Table (Decision Making)
  5. Computer Programming: Pseudo Codes, Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java, Python for Placements by Yash Sir
  6. DBMS (Computer Science): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Transaction Management, Concurrency Control, Database Security & Authorization
  7. SQL (Computer Science): SQL
  8. OS (Computer Science): Introduction to OS, Process Management, CPU Scheduling, Deadlock, Process Synchronization, Threads & Process Creation, Memory Management, Virtual Memory, File Management
  9. Computer Networks (Computer Science): Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security
  10. Data Structures (Computer Science): Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. OOPs (Computer Science): Object Oriented Programming (OOPS)
  12. Software Engineering (Computer Science): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  13. SVAR Conversational - Spoken English: Communication Assessment
  14. HR Interview: MR & HR Interview Preparation
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video is an educational lecture on the 'Use case approach' in software engineering, presented by Sanchit Jain from Knowledge Gate. The lecture begins with an introduction to use cases as a structured narrative description of user requirements from the user's perspective. The instructor explains that use case diagrams are graphical representations that show the system's behavior at different levels. A key point is that use case diagrams are sometimes supported by activity diagrams to better understand the workflow. The main part of the video features a detailed use case diagram for a restaurant system, which includes actors like the Client, Waiter, and Chef, and use cases such as 'Order Food', 'Receive Food', 'Serve Food', 'Cook Food', 'Eat Food', 'Drink Wine', and 'Pay For Food'. The diagram illustrates the relationships between these actors and use cases, including the 'extend' relationship, for example, 'Pay For Food' extends 'Eat Food' with the condition '(if wine was ordered)'. The video concludes with a 'Thanks for watching' screen.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title card for 'SOFTWARE ENGINEERING' from '#knowledgegate'. It then transitions to a lecture by Sanchit Jain, who introduces the 'Use case approach'. He defines a use case as a 'description of the user requirement' and a 'narrative' that describes the 'sequence of events from user's perspective'. He states that use case diagrams are 'graphical events from user's perspective' and are sometimes supported by activity diagrams to understand the workflow. The main visual is a use case diagram for a restaurant system, showing actors (Client, Waiter, Chef) and use cases (Order Food, Receive Food, Serve Food, Cook Food, Eat Food, Drink Wine, Pay For Food). The diagram includes relationships like 'extend', for example, 'Pay For Food' extends 'Eat Food' with the condition '(if wine was ordered)'. The instructor points to the diagram while explaining its components.

  2. 2:00 – 2:31 02:00-02:31

    The lecture continues with the instructor explaining the use case diagram. He points out the 'extend' relationship between 'Pay For Food' and 'Eat Food', clarifying that the payment action is an extension of the eating action, but only if wine was ordered. He also highlights the 'include' relationship, where 'Receive Food' is included in 'Order Food'. The diagram shows the 'Client' actor initiating 'Order Food', which includes 'Receive Food'. The 'Waiter' actor is involved in 'Place Order' and 'Serve Food'. The 'Chef' actor is involved in 'Cook Food'. The instructor emphasizes that these diagrams help in understanding the system's behavior from the user's point of view. The video ends with a 'THANKS FOR WATCHING' screen with the '#knowledgegate' hashtag.

The video provides a clear and structured explanation of the use case approach in software engineering. It begins with a theoretical definition of use cases and diagrams, then immediately grounds the concept in a practical, real-world example. The use case diagram for a restaurant system effectively demonstrates the key elements: actors, use cases, and relationships like 'extend' and 'include'. The instructor's methodical explanation, supported by the visual diagram, helps students understand how to model system behavior from a user's perspective, which is a fundamental skill in software design.

Loading lesson…