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Software consists of computer programs that instruct the execution of a computer. [2] Building on previous innovations in mathematics and technology, software was created for the programmable digital computers that emerged in the late 1940s and was necessary to realize their usefulness.
Software engineering is an engineering approach to software development. [ 1][ 2][ 3] A practitioner, called a software engineer, applies the engineering design process to develop software. The terms programmer and coder overlap software engineer, but they imply only the construction aspect of typical software engineer workload.
Software architecture is the set of structures needed to reason about a software system and the discipline of creating such structures and systems. Each structure comprises software elements, relations among them, and properties of both elements and relations. [1] [2]
A software system is a system of intercommunicating components based on software forming part of a computer system (a combination of hardware and software). It "consists of a number of separate programs, configuration files, which are used to set up these programs, system documentation, which describes the structure of the system, and user ...
Software as a service ( SaaS / sæs / [ 1]) is a form of cloud computing in which the provider offers the use of application software to a client and manages all the physical and software resources used by the application. [ 2] The distinguishing feature of SaaS compared to other software delivery models is that it separates "the possession and ...
Software is a set of programmed instructions stored in the memory of stored-program digital computers for execution by the processor. Software is a recent development in human history and is fundamental to the Information Age . Ada Lovelace 's programs for Charles Babbage 's Analytical Engine in the 19th century are often considered the founder ...
Software development is the process used to create software. Programming and maintaining the source code is the central step of this process, but it also includes conceiving the project, evaluating its feasibility, analyzing the business requirements, software design, testing, to release. Software engineering, in addition to development, also ...
Open-source software is a prominent example of open collaboration, meaning any capable user is able to participate online in development, making the number of possible contributors indefinite. The ability to examine the code facilitates public trust in the software. [ 3]
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