a set of instructions, data or programs used to operate computers and execute specific tasks. Modern ones include anything from offline programs to web-based applications. - Software , System software  - Programs that manage and control a computer’s hardware and provide basic services to application software. Users are not meant to directly interact with this type of software. One of the most common examples of this is operating systems, which manage basic tasks within personal computers. , Application Software - Programs that perform specific functions for a user. Users are meant to directly interact with this type of software. Can be available as both downloadable programs for your personal devices or online tools hosted in commercial websites., Intellectual property protected by copyright. The user must acquire a license to formally operate the software, usually by paying an access fee.  - Proprietary Software , Free Software - The application is still protected by copyright. However, the owners favor widespread adoption of the software over charging a fee. You can usually access these programs freely or even acquire a license without any charge. , The application does not have an established copyright license. Any individual or organization is able to freely access the source code and even customize it to suit their needs. This software is meant to reach mass adoption and is usually produced by non-profit companies.  - Open-Source Software ,

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