Definition of 'Software Engineering
Definition: Software engineering is a detailed study of engineering to the design, development and maintenance of software. Software engineering was introduced to address the issues of low-quality software projects. Problems arise when a software generally exceeds timelines, budgets, and reduced levels of quality. It ensures that the application is built consistently, correctly, on time and on budget and within requirements. The demand of software engineering also emerged to cater to the immense rate of change in user requirements and environment on which application is supposed to be working.
Description: A software product is judged by how easily it can be used by the end-user and the features it offers to the user. An application must score in the following areas:-
1) Operational: -This tells how good a software works on operations like budget , usability, efficiency, correctness ,functionality , dependability , security and safety.
1) Operational: -This tells how good a software works on operations like budget , usability, efficiency, correctness ,functionality , dependability , security and safety.
2) Transitional: - Transitional is important when an application is shifted from one platform to another. So, portability, reusability and adaptability come in this area.
3) Maintenance: - This specifies how good a software works in the changing environment. Modularity, maintainability, flexibility and scalability come in maintenance part.
Software Development Lifecycle or SDLC is a series of stages in software engineering to develop proposed software application, such as:
3) Maintenance: - This specifies how good a software works in the changing environment. Modularity, maintainability, flexibility and scalability come in maintenance part.
Software Development Lifecycle or SDLC is a series of stages in software engineering to develop proposed software application, such as:
1) Communication
2) Requirement Gathering
3) Feasibility Study
4) System Analysis
5) Software Design
6) Coding
7) Testing
8) Integration
9) Implementation
10) Operations and maintenance
11) Disposition
2) Requirement Gathering
3) Feasibility Study
4) System Analysis
5) Software Design
6) Coding
7) Testing
8) Integration
9) Implementation
10) Operations and maintenance
11) Disposition
Software engineering generally begins with the first step as a user-request initiation for a specific task or an output. He submits his requirement to a service provider organization. The software development team segregates user requirement, system requirement and functional requirements. The requirement is collected by conducting interviews of a user, referring to a database, studying the existing system etc
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