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Solution architecture is a term used in information technology with various definitions, such as "a description of a discrete and focused business operation or ...
As software ages, it becomes known as legacy software and can remain in use for decades, even if there is no one left who knows how to fix it. [35] Over the lifetime of the product, software maintenance is estimated to comprise 75 percent or more of the total development cost.
Software design is the process of conceptualizing how a software system will work before it is implemented or modified. [1] Software design also refers to the direct result of the design process – the concepts of how the software will work which consists of both design documentation and undocumented concepts.
Software architecture choices include specific structural options from possibilities in the design of the software. There are two fundamental laws in software architecture: [4] [5] Everything is a trade-off "Why is more important than how" "Architectural Kata" is a teamwork which can be used to produce an architectural solution that fits the needs.
Software as a service (SaaS / s æ s / [1]) is a cloud computing service model where the provider offers use of application software to a client and manages all needed physical and software resources. [2] Unlike other software delivery models, it separates "the possession and ownership of software from its use". [3]
Enterprise software, also known as enterprise application software (EAS), is computer software used to satisfy the needs of an organization rather than its individual users. Enterprise software is an integral part of a computer-based information system , handling a number of business operations, for example to enhance business and management ...
Software development is the process of designing and implementing a software solution to satisfy a user. The process is more encompassing than programming , writing code , in that it includes conceiving the goal, evaluating feasibility, analyzing requirements , design , testing and release .
The term "solution stack" has, historically, occasionally included hardware components as part of a final product, mixing both the hardware and software in layers of support. [4] [5] A full-stack developer is expected to be able to work in all the layers of the application (front-end and back-end).