SDLC Overview

Computational thinking, problem-solving and programming

The software development lifecycle (SDLC) is a process for planning, creating, testing, and deploying high-quality software. The goal of the SDLC is to produce a high-quality software product that meets or exceeds customer expectations, within the constraints of time and budget.

The SDLC typically consists of the following stages:

Planning: In this stage, the project team determines the scope and objectives of the software project, and creates a plan for how to achieve those objectives. This may involve gathering requirements from stakeholders, defining the project's timeline and budget, and identifying the resources and technologies that will be needed.

Analysis: In this stage, the project team gathers and analyzes information about the problem or opportunity that the software will address. This may involve conducting market research, performing user interviews, or creating user personas. The goal of this stage is to gain a deep understanding of the problem or opportunity, and to identify potential solutions.

Design: In this stage, the project team designs the software architecture, user interface, and other technical aspects of the software. This may involve creating wireframes or mockups, or designing the database schema. The goal of this stage is to produce a detailed plan for how the software will be built.

Implementation: In this stage, the project team actually builds the software according to the plan created in the previous stages. This may involve writing code, configuring servers, or integrating third-party libraries or services.

Testing: In this stage, the project team tests the software to ensure that it meets the requirements and functions correctly. This may involve creating test cases, running automated tests, or performing manual testing. The goal of this stage is to identify and fix any bugs or other issues with the software.

Deployment: In this stage, the project team deploys the software to a production environment, where it can be used by end users. This may involve configuring the software for the production environment, creating installation packages, or performing other tasks to prepare the software for deployment.

Maintenance: After the software is deployed, the project team may continue to provide maintenance and support to ensure that the software remains in good working order. This may involve releasing patches or updates, providing technical support to users, or monitoring the software for performance or security issues.

Overall, the SDLC is an iterative process that involves collaboration and communication among the project team, stakeholders, and end users. The specific steps and activities involved in the SDLC may vary depending on the specific software project and the technologies and methodologies being used.

Understandings: The software development life cycle (SDLC) is a structured iterative process for developing any kind of software. Students must be able to explain:

1. the aims of the iterative SDLC
2. ...related to:
3. client expectation
4. system functionality and specification
5. cost to maintain and enhance

The seven stages of the SDLC are: Planning; Analysis; Design; Development; Testing; Implementation; and Maintenance. Within the context of software development, students must be able to explain:

1. The purpose of planning
2. The purpose of analysis
3. The purpose of design
4. The purpose of development
5. The purpose of testing
6. The purpose of implementation
7. The purpose of maintenance

Each stage of the SDLC produces deliverables required by the next stage. Students must be able to explain:

1. the interrelationship of each stage of the SDLC and high-quality system

Provide an answer from a number of possibilities. Recognize and state briefly a distinguishing fact or feature.

Produce a plan, simulation or model.

Give a detailed account including reasons or causes.

The circumstances that form the setting for an event, statement, or idea, and in terms of which it can be fully understood and assessed.

Produce a plan, simulation or model.