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Examples of system software include operating systems (OS) (like macOS, Linux, Android, and Microsoft Windows). [ 1 ] Application software is software that allows users to do user-oriented tasks such as creating text documents, playing or developing games, creating presentations, listening to music, drawing pictures, or browsing the web.
The distinction between online and offline is conventionally seen as the distinction between computer-mediated communication and face-to-face communication (e.g., face time), respectively. Online is virtuality or cyberspace, and offline is reality (i.e., real life or "meatspace").
Some software is in the public domain and has no restrictions on who can use it, copy or share it, or modify it; a notable example is software written by the United States Government. Free and open-source software also allow free use, sharing, and modification, perhaps with a few specified conditions. [ 64 ]
A web application (or web app) is application software that is created with web technologies and runs via a web browser. [1] [2] Web applications emerged during the late 1990s and allowed for the server to dynamically build a response to the request, in contrast to static web pages. [3] Web applications are commonly distributed via a web server ...
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 documentation, which explains how to use the system".
Visibility of system status: The system should always keep users informed about what is going on, through appropriate feedback within reasonable time. Match between system and the real world: The system should speak the users' language, with words, phrases and concepts familiar to the user, rather than system-oriented terms. Follow real-world ...
Example of a high-level systems architecture for a computer. A system architecture is the conceptual model that defines the structure, behavior, and views of a system. [1] An architecture description is a formal description and representation of a system, organized in a way that supports reasoning about the structures and behaviors of the system.
The Carnegie Mellon Software Engineering Institute defines a software product line as "a set of software-intensive systems that share a common, managed set of features satisfying the specific needs of a particular market segment or mission and that are developed from a common set of core assets in a prescribed way." [3]