We explain what software is, how it is developed and classified. Also, what are its general characteristics and maintenance.
Software is the logical support of a computer system . It is the intangible part of a computer. It differs from hardware , which is the material part.
Software is a broad category that includes a wide variety of computer products , from operating systems to the intangible part of electronic games or the programs that allow the operation of an airplane.
Desirable features in a software product are:
System software is the main software of a computer system and is responsible for managing both hardware resources and application programs. Its execution is privileged over that of the rest of the software, since everything depends on the operating system.
In addition to operating systems, system software includes device drivers, diagnostic, correction, and optimization tools , servers, and utilities.
Programming software are those applications and tools that are used by programmers to develop new software . These include text editors, compilers, interpreters, linkers, debuggers, and integrated development environments. Each of these programming tools can be used with one or more programming languages.
Among them are word processors (such as Word or Notepad), editors (such as Photoshop or Gimp), spreadsheets (such as Excel), communication programs (such as Messenger or Whatsapp) and design programs ( such as AutoCAD) among others.
Since software is software and not an object, software is not manufactured but developed . The developer can be a programmer or a team or company with multiple teams.
When it comes to a team, one developer can take care of the project overview and others with programming tasks for each of the components. However, in all cases, the development team must maintain constant communication so that the resulting software is functional for its objectives.
The software is intrinsically evolutionary since its use allows discovering not only flaws but also potentialities that require further development. For this reason, all programs and operating systems usually offer upgrades or updates shortly after being launched on the market .
Free is the type of software that allows access to its code, that is, to its operating matrix and therefore any user can install, use and even modify it.
Free software is promoted by a movement that was consolidated in 1985 with the founding of the Free Software Foundation, which points to the freedom of the computer user as an ethical objective.
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