COCOMO

Duration: 7 min

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Inside: a video lesson and guided study material.

Module outline

  1. About Course: UPPSC Course Overview
  2. Interview Preparation & Guidance: Interview Preparation
  3. Paper 1 | General Hindi: भाषा, लिपि, ध्वनि, वर्ण, अक्षर, स्वर, व्यंजन, मात्रा और संयुक्ताक्षर, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, विशेषण और क्रिया, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, वर्णमाला, समास, संधि, विलोम शब्द, पर्यायवाची शब्द, सामान्य अशुद्धियाँ, अनेक शब्दों के लिए एक शब्द, मुहावरे और लोकोक्तियाँ, अपठित गद्यांश और अपठित पद्यांश, Multi-Topic Content (Cross-Concept Material)
  4. Paper 2 | General Studies: State Wise GK, Polity, Geography, History, GK- Current Affairs
  5. Paper 1 | Programming Language: Language Design, C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, OOPS with C++
  6. Paper 1 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, ORDBMS, NoSQL
  7. Paper 1 | Cyber Security: 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, Ethical Hacking
  8. Paper 1 | Computer Organization and Architecture: Basics of COA, Programming the Basic Computer, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Register Transfer and Microoperations, Control Unit Design
  9. Paper 1 | Computer Networks: 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. Paper 1 | Design and Analysis of Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  11. Paper 1 | Data Structures: Introduction to DS, Array, Linked List, Stack, Queue, Tree, Graphs, Hashing
  12. Paper 1 | Discrete Structures and Theory of Logic: Permutation and Combination, Set Theory, Relations, Functions, Propositional and Predicate Logic, Graph Theory, Group Theory
  13. Paper 1 | Software Project Management: Software Project Management
  14. Paper 2 | Operating Systems: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Unix OS, Linux OS, Security
  15. Paper 2 | Compiler Design: Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment, Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Pushdown Automata & CFG, Complexity Theory
  16. Paper 2 | Artificial Intelligence & High Performance Computing: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Natural Language Processing, Emerging Tech Trends
  17. Paper 2 | Image Processing: Digital Image Fundamentals, Image Enhancement, Image Restoration, Color Image Processing, Image Compression
  18. Paper 2 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  19. Paper 2 | Computer Graphics: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing
  20. Paper 2 | Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, HTML Basics, JavaScript-Basics, Java
  21. Paper 2 | Soft Computing: Fuzzy Sets, Artificial Neural Networks, Genetic Algorithms
  22. Paper 2 | Distributed System: Distributed Systems
  23. UPPSC Live Class Recordings: UPPSC Polytechnic Lecturer 2025 (CS)
  24. Previous Year Papers:
  25. Mock Test:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video provides a comprehensive overview of the COCOMO (Constructive Cost Model) software cost estimation methodology. The lecture begins by introducing the Basic COCOMO model, which is a simple, static model that estimates project effort and duration based on the size of the software, measured in thousands of lines of code (KLOC). It highlights that this model uses three modes—Organic, Semi-Detached, and Embedded—to account for different project complexities. The video then transitions to the Intermediate COCOMO model, which refines the basic model by incorporating 15 cost drivers that consider factors like product attributes, hardware constraints, and team attributes. The core of the lesson is a detailed, worked example using the Basic COCOMO formulas. A table of coefficients for the three modes is presented, and the instructor demonstrates the calculation of effort (in Person-Months, PM), duration (in months, M), and team size for a 20KLOC software project. The calculations are shown step-by-step, using the formula DE = a_b * (KLOC)^b_b for effort and DD = c_b * (KLOC)^d_b for duration, with the team size derived from the ratio of effort to duration. The video concludes with a summary of the results for all three modes, illustrating how project characteristics significantly impact the final estimates.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title card for 'SOFTWARE ENGINEERING' and '#knowledgegate'. It then transitions to a slide titled 'Basic COCOMO'. The instructor, Sanchit Jain, explains that this is a simple and static cost estimation model that calculates project effort and duration based on the size of the software, measured in thousands of lines of code (KLOC). The model provides a rough order-of-magnitude estimate and uses three modes: Organic, Semi-Detached, and Embedded. The instructor is visible in a small window, and the slide is clearly displayed with bullet points defining the model.

  2. 2:00 – 5:00 02:00-05:00

    The video presents a slide titled 'Intermediate COCOMO'. The instructor explains that this model is an extension of the Basic COCOMO, refining estimates by considering additional project factors such as product attributes, hardware constraints, and personnel/team attributes. It introduces 15 cost drivers to adjust the estimation, and the Effort Adjustment Factor (EAF) accounts for the influence of these drivers. The instructor continues to speak, and the slide text is clearly visible, outlining the definition and key features of the Intermediate model.

  3. 5:00 – 7:24 05:00-07:24

    The video displays a slide with the 'Basic COCOMO' title and a table of coefficients for the three modes. The instructor begins a worked example for a 20KLOC software project. He shows the formulas: DE = a_b * (KLOC)^b_b for effort and DD = c_b * (KLOC)^d_b for duration. He then demonstrates the calculations for the Organic mode: DE = 2.4 * (20)^1.05 = 55.75 PM, DD = 2.5 * (20)^0.38 = 11.52 M, and Team Size = 55.75 / 11.52 = 5. The instructor proceeds to calculate the values for the Semi-Detached and Embedded modes, showing the results in a table. The final slide shows the complete table with all calculated values for effort, duration, and team size for the three modes, and the video ends with a 'THANKS FOR WATCHING' screen.

The video provides a structured, step-by-step lesson on software cost estimation using the COCOMO model. It begins with the foundational concept of the Basic COCOMO, explaining its reliance on software size (KLOC) and project mode. It then introduces the more sophisticated Intermediate COCOMO, which adds a layer of complexity by incorporating 15 cost drivers. The core of the lesson is a practical application of the Basic COCOMO formulas, where a 20KLOC project is used as a case study. The instructor methodically demonstrates the calculation of effort, duration, and team size for each of the three modes, clearly showing the formulas and the arithmetic. This progression from theory to a concrete, worked example effectively illustrates how the model's parameters lead to different project estimates, highlighting the importance of selecting the correct mode for a given project.

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