jgs CSE 563 Software Requirements and Specification Lecture 25: Final Review Dr. Javier Gonzalez-Sanchez [email protected] javiergs.engineering.asu.edu | javiergs.com PERALTA 230U Office Hours: By appointment
jgs Fall 2021 | 00000001 Grading § 7 Quizzes: 25 / 7 = 3.5714 per quiz. § 6 Assignments: 25 / 6 = 4.1666 per assignment. We are still reviewing a couple of Academic Integrity cases. I will be in touch during the weekend. § Midterm Exam: 25% i.e., your current grade / 4 § Final Exam: on Monday A curve is a possibility but not guaranteed. If applied, it will be applied to everyone; it is NOT case-based.
jgs Fall 2021 | 00000001 Scale Drivers Rating Scale Factors (Wi) Very Low Low Nominal High Very High Extra High Precedentedness (PREC) thoroughly unprecedented largely unprecedented somewhat unprecedented generally familiar largely familiar throughly familiar Development Flexibility (FLEX) rigorous occasional relaxation some relaxation general conformity some conformity general goals Architecture/Risk Resolution (RESL)* little (20%) some (40%) often (60%) generally (75%) mostly (90%) full (100%) Team Cohesion (TEAM) very difficult interactions some difficult interactions basically cooperative interactions largely cooperative highly cooperative seamless interactions Process Maturity (PMAT) Weighted average of “Yes” answers to CMM Maturity Questionnaire * % significant module interfaces specified, % significant risks eliminated
jgs Fall 2021 | 00000001 Pacman § It has 1200 LOC § Nothing to be reuse § What could be its cost in the best-case scenario? § What could be its cost in the worse-case scenario? § What is the best-case scenario? (value for the factors) § What is the worse-case scenario? (value for the factors)
jgs Fall 2021 | 00000001 Quiz 07 1. Write a paper where you describe and include COCOMO reports for the PacMan videogame: § It has 1200 LOC § Nothing to be reuse § What could be its cost in the best-case scenario? § What could be its cost in the worse-case scenario? § What is the best-case scenario? (value for the factors) § What is the worse-case scenario? (value for the factors) 2. Do the same for another project – a project that you create in the past (a capstone project, a Summer internship, a personal project, etc. ). You do not need to share the code, just describe what the project is about and the LOC numbers, reuse or not, etc. Your paper should include (A) description of the system (B) COCOMO reports (two reports per system); (C) your conclusions about the usefulness / correctness of the values reported
jgs The following slides shows some examples related to some topics This is NOT a comprehensive list of topics Topics in the exam can be found Weeks 2 to 15 (Lectures 1 to 25)
jgs Fall 2021 | 00000001 Fall 2021 | Final Exam Replace the Draw the Use Case Diagram for: § A product backlog § Activity and State Diagrams for an Authentication process § A set of tasks for one of the features (or requirements) included in the described scenario
jgs Fall 2021 | 00000001 Concepts § Step § Task § Requirement § Functional § Non-Functional § Use case § Use case diagram § Use case document § Actor § Scenario § Activity § State
jgs Fall 2021 | 00000001 INVEST in good requirements § Independent – loosely coupled with one another § Negotiable – Stories are what and why , not how ( 99% ). § Valuable – for the customer! § Estimatable – Effort/Cost of design, build, and test. § Small (sized appropriately) § Testable – pass or fail
jgs Fall 2021 | 00000001 Behavioral Modeling Supplements the use case by providing § a graphical representation of the flow of interaction. Create an activity diagram for each use-case. § a list of the different states of a system. Build a state diagram for the system. They are not mandatory and they can be combined.
jgs Fall 2021 | 00000001 Use Case Template Number and Name < the name is the goal as a short active verb phrase> Goal / Description < a longer statement of the goal in context if needed > Pre-conditions Success End Condition
Failed End Condition
Actors
Trigger Description step action 1 from trigger to goal delivery, and any cleanup after> 2 <...> 3
jgs Fall 2021 | 00000001 Test Yourselves § Activity Diagram for Game of Life rules § State machine diagram for an Assignment on Canvas § Use case diagram for your operating system § State machine diagram for a webpage (URL) on your browser § Activity diagram for enrollment on a new course on MyASU
jgs Fall 2021 | 00000001 Creating Stories storyboard A C … Z B time epics Epic or Story • Does it seem difficult to estimate? • Does it seem complex? • Is it long? • Are there technical or business unknowns that are unclear?
jgs Fall 2021 | 00000001 Factors of development cost 1. Software Size (Lines of Code) 2. Software Scale Drivers: sources of exponential effort variation 3. Software Cost Drivers: sources of linear effort variation. They group in 4 categories: product, platform, personnel and project Factor are rated between very low and very high per rating guidelines
jgs CSE 563 Software Requirements and Specification Javier Gonzalez-Sanchez, Ph.D. [email protected] Fall 2021 Copyright. These slides can only be used as study material for the class CSE563 at ASU. They cannot be distributed or used for another purpose.
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