Learning Guide Unit 3_ Introduction

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University of the People *

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2401

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Computer Science

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Nov 24, 2024

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pdf

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2

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CS 2401-01 Software Engineering 1 - AY2023-T3 Learning Guide Unit 3 Learning Guide Unit 3   Introduction A use case is a description of how a user will use the planned system to accomplish business goals. As any description, it can be sketchy or it can be very detailed. Both versions (and many degrees of detail in between) have important uses in requirements engineering. It is natural to start with summary descriptions of use cases and gradually progress towards detailed descriptions that thoroughly specify the planned system. A use case is a usage scenario for an external entity, known as actor, and the system-to-be. A use case represents an activity that an actor can perform on the system and what the system does in response. It describes what happens when an actor disturbs our system from its “stationary state” as the system goes through its motions until it reaches a new stationary state. It is important to keep in mind that the system is reactive, not proactive; that is, if left undisturbed, the system would remain forever in the equilibrium state. Use case modeling is an accepted and widespread technique to gather and represent the business processes and requirements. Use cases describe the scenarios of how the system under discussion can be used to help the users accomplish their goals. Use cases represent precisely the way the software system interacts with its environment and what information must pass the system boundary in the course of interaction. Use case steps are written in an easy-to-understand structured narrative using the vocabulary of the domain. This is engaging for the end users, who can easily follow and validate the use cases, and the accessibility encourages users to be actively involved in defining the requirements.   Table of contents Overview Introduction Reading Assignment Programming Assignment Learning Journal Discussion Assignment Self-Quiz Checklist UoPeople Clock (GMT-5) All activities close on Wednesdays at 11:55 PM, except for Learning Journals/Portfolios which close on Thursdays at 11:55 PM always following the clock at the top of the page. Dashboard / My courses / CS 2401-01 - AY2023-T3 / 9 February - 15 February / Learning Guide Unit 3
Due dates/times displayed in activities will vary with your chosen time zone, however you are still bound to the 11:55 PM GMT-5 deadline. ◄ Self-Quiz Unit 2 Jump to... Discussion Forum Unit 3 ► Resources UoPeople Library Orientation Videos LRC Syllabus Repository Career Resource Center Honors Lists Links About Us Policies University Catalog Support Student Portal Instructors Instructor Portal CTE Center for Teaching Excellence Office 365 Tipalti Contact us English (en) English (en) ﺔﻴﺑﺮﻌﻟا (ar) Data retention summary Get the mobile app Disclaimer Regarding Use of Course Material - Terms of Use University of the People is a 501(c)(3) not for profit organization. Contributions are tax deductible to the extent permitted by law. Copyright © University of the People 2021. All rights reserved. You are logged in as Ahmed Albetar ( Log out) www.uopeople.edu
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