Discussion- Step 8

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East Los Angeles College *

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101

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Information Systems

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May 7, 2024

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docx

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3

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Are you able to explain and draw the software development life cycle and its steps in the correct order? The software development life cycle (SDLC) is a process used by software developers to design, develop, test, and deploy software efficiently. For an accounting firm, this cycle would involve steps tailored to their specific needs and requirements. Planning Requirements Design Development Operation and maintance. Are you able to explain what is done at each step of this process? Here's an overview of the typical steps in the SDLC, customized for an accounting firm: Planning : defining project goals, scope, timelines, resources, risks, and communication strategies. It ensures that the project is well-planned, organized, and aligned with the firm's strategic objectives. Requirements Gathering: In this initial phase, the development team works closely with stakeholders from the accounting firm to understand their needs, objectives, and requirements for the software.. Design: Based on the requirements and analysis, the team designs the architecture of the software. Development: In this phase, the actual coding and programming of the software take place. Developers use the designs and specifications created in the previous steps to build the software according to the requirements of the accounting firm. Testing: Once the development is complete, the software undergoes rigorous testing to identify and fix any bugs, errors, or issues. Deployment: This involves installing the software, configuring it as necessary, and making it available for use by the intended users. Maintenance and Support : This may involve fixing bugs, making updates and improvements, providing technical support, and addressing any issues that arise during the use of the software. Are you able to compare and contrast the three software development life cycle methodologies discussed? Waterfall Methodology: is the original method of software development. When a phase complete, the project moves to the next phase. The advantage of this one is that each phase can be evaluated for continually and feasibility before moving on. It is limited in speed; however, since one phase must finish before another can begin, it focuses on complete and correct planning to guide large projects to successful and predictable results.
Agile Methodology : produces ongoing release cycles if the software. Each release features small, incremental changes from the previous release. At each iteration, the software is tested. This helps software development teams identify and address small issues before they evolve into more significant problems and engage various stakeholders to get their feedback throughout the development process. Iterative Methodology : Instead of starting with fully known requirements for the software, the team implements a limited set of software requirements, then tests, evaluates and defines additional requirements. A new version of the software is produced with each iteration until the software is ready. Are you able to explain how these methodologies can be used to create custom information systems for organizations? Waterfall Methodology: My accounting firm would work closely with the development team to define detailed requirements for the information system, including functionalities such as general ledger management, accounts payable/receivable, financial reporting, and compliance features. Once requirements are gathered, the design would focus on usability, data integrity, security, and compliance with industry regulations such as GAAP (Generally Accepted Accounting Principles) or IFRS. Developers build the system components, modules, and features based on the detailed design documents. Testing includes functional testing, performance testing, security testing, and user acceptance testing (UAT). Agile Methodology: At the beginning of each iteration, my accounting firm and the development team collaborate to prioritize requirements and define the scope for the upcoming iteration. The system is continuously developed, tested, and reviewed, with a focus on delivering working software increments at the end of each iteration. Stakeholders from the accounting firm, including accountants, managers, and auditors, provide feedback on the delivered increments at the end of each iteration. This feedback is used to refine priorities, make adjustments to the system, and plan for the next iteration. As my accounting firm's needs evolve or new regulatory requirements emerge, the system can be adjusted and refined in response to feedback from stakeholders. Regular meetings, such as daily stand-ups and sprint reviews, facilitate communication and alignment of expectations, ensuring that the system meets the firm's needs. Iterative Methodology: similar to Agile, the Iterative methodology involves breaking the project into smaller iterations. However, in the Iterative approach, each iteration may encompass multiple phases (e.g., requirements, design, development, testing) rather than focusing solely on development. My accounting firm gains experience with the system and identifies areas for enhancement, new features and functionalities can be added in subsequent iterations to further optimize the system's effectiveness and efficiency.
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