CS510: Software Requirement and Specification Handouts (PDF)
Software Requirements Specification(SRS) is a description of the software system to be developed. It sets out the functional and non-functional requirements and may include a set of usage conditions that define the user interaction that the software should provide you. CS510 Handouts pdf
CS510 Handouts pdf
Course Category: Computer Science/Information Technology CS510 Handouts pdf
Course Outline
Software Requirement basic concepts, What, Why, and Who, SRS processes, Sequence of activities that need to be performed in the requirement phase, Requirement Elicitation, Process of discovering, reviewing, documenting, and understanding the user’s, needs and constraints for the system., Requirement Modeling, Visualization of requirements for better understanding and analysis,
Requirement Analysis, Refining the user’s needs and constraints, Requirement Specification, Process of documenting the user’s needs and constraints clearly and precisely., Requirement verification and validation, Process of ensuring that the system requirements are complete, correct, consistent, and clear., Requirement Management, Scheduling, coordinating and documenting the requirements engineering, activities, Requirement Traceability, If the source of the requirements can be identified. CS510 Handouts pdf
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CS510 HANDOUTS
CS510: Software Requirement and Specification
Software Requirements Specifications
Software Requirements Specifications (SRS) is a document that describes what the software will do and how it is expected to work. It also describes the functionality required by the product to meet all the stakeholders (business, and users) needs. The production of the requirements section of the software development process is Software Requirements Specifications (SRS) (also called the requirements document). This report forms the basis of software engineering activities and builds on where all requirements are requested and analyzed. SRS is an official report, acting as a representative software that enables customers to review whether (SRS) complies with their needs. Also, it includes system user requirements as well as detailed specifications of system requirements.
Why Use an SRS Document?
SRS gives you a complete picture of your entire project. It provides a single source of truth to be followed by each party involved in the development. It’s your app and keeps all of your teams – from upgrades to updates – on the same page. SRS is a trademark of a specific software product, program, or set of applications that performs specific functions. It achieves several goals depending on who wrote it.
First, SRS can be written by a program client. Second, SRS can be written by a program developer. These two approaches create completely different situations and establish completely different document purposes. The first case, SRS, is used to describe the needs and expectations of users. The second case, SRS, is written for a variety of purposes and serves as a contract document between the client and the developer.
Who Writes An SRS?
Writing an SRS document means conveying general descriptions of features, functions, and terms in a detailed system for their use of technology. SRS is often written by product and project managers or business analysts, who communicate directly with customers or who conduct user surveys (who also work on wireframes and know how a product should behave) and collect future product needs.
Characteristics of SRS:
- Ranked for importance and/or stability
- Verifiable
- Modifiable
- Traceable
- Correct
- Unambiguous
- Complete
- Consistent
There are three types of requirements contained in SRS:
1. Top-tier:
These are state-of-the-art business needs. They define measurable business objectives, define the purpose behind a project, and align project goals with stakeholder objectives.
2. Middle-tier:
These are user requirements. They reflect specific user needs and expectations, define who uses the software, and highlight user interaction.
3. Bottom-tier:
This determines the performance of the product in terms of technology. They identify functions, features, application conditions, and non-functional requirements, and define a project as functional modules + idle attributes.