SE Chloe Review SE Contents Unit 2.1 SDLC

A conceptual illustration depicting the Software Development Life Cycle (SDLC) stages, showing a flowchart with symbols for planning, design, implementation, testing, deployment, and maintenance, with a modern, tech-inspired background.

Understanding the Software Development Life Cycle

Test your knowledge of the Software Development Life Cycle (SDLC) with this comprehensive quiz! Dive into the various phases of software development, from requirements gathering to maintenance. This quiz is perfect for students, professionals, and anyone interested in enhancing their understanding of how software is created and managed.

  • Explore all stages of the SDLC
  • Assess your knowledge of industry standards
  • Perfect for IT students and software enthusiasts
11 Questions3 MinutesCreated by CodingHawk752
Refers to the process of software development. The International Organization for Standardization's ISO12207, the industry standard for software life cycle processes, describes the development process as consisting of requirements, design, code, and (three levels of) testing.
This is the first step where the user initiates the request for a desired software product. The user contacts the service provider and tries to negotiate the terms, submits the request to the service providing organization in writing.
This step onwards the software development team works to carry on the project. The team holds discussions with various stakeholders from problem domain and tries to bring out as much information as possible on their requirements. The requirements are contemplated and segregated into user requirements, system requirements and functional requirements.
After requirement gathering, the team comes up with a rough plan of software process. At this step the team analyzes if a software can be designed to fulfill all requirements of the user, and if there is any possibility of software being no more useful. It is also analyzed if the project is financially, practically, and technologically feasible for the organization to take up. There are many algorithms available, which help the developers to conclude the feasibility of a software project.
At this step the developers decide a roadmap of their plan and try to bring up the best software model suitable for the project. System analysis includes understanding of software product limitations, learning system related problems or changes to be done in existing systems beforehand, identifying and addressing the impact of project on organization and personnel etc. The project team analyzes the scope of the project and plans the schedule and resources accordingly.
Next step is to bring down whole knowledge of requirements and analysis on the desk and design the software product. The inputs from users and information gathered in requirement gathering phase are the inputs of this step. The output of this step comes in the form of two designs; logical design, and physical design.Engineers produce meta-data and data dictionaries, logical diagrams, data-flow diagrams, and in some cases pseudo codes.
This step is also known as programming phase. The implementation of software design starts in terms of writing program code in the suitable programming language and developing error-free executable programs efficiently.
An estimate says that 50% of whole software development process should be tested. Errors may ruin the software from critical level to its own removal.Software testing is done while coding by the developers and thorough testing is conducted by testing experts at various levels of code such as module testing, program testing, product testing, in-house testing, and testing the product at user’s end. Early discovery of errors and their remedy is the key to reliable software.
Software may need to be integrated with the libraries, databases, and other program(s). This stage of SDLC is involved in the integration of software with outer world entities.
This means installing the software on user machines. At times, software needs post-installation configurations at user end. Software is tested for portability and adaptability and integration related issues are solved during implementation.
This phase confirms the software operation in terms of more efficiency and less errors. If required, the users are trained on, or aided with the documentation onhow to operate the software and how to keep the software operational. Thesoftware is maintained timely byupdating the code according to the changestaking place in user end environment or technology. This phase may face challenges from hidden bugs and real-world unidentified problems.
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