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22 godz. temu · Definition and purpose. An operating system is difficult to define, but has been called "the layer of software that manages a computer's resources for its users and their applications". Operating systems include the software that is always running, called a kernel—but can include other software as well. The two other types of programs that can run on a computer are system programs—which ...
22 godz. temu · Social networking service. A social networking service (SNS), or social networking site, is a type of online social media platform which people use to build social networks or social relationships with other people who share similar personal or career content, interests, activities, backgrounds or real-life connections. [1] [2]
22 godz. temu · Acupuncture [b] is a form of alternative medicine [2] and a component of traditional Chinese medicine (TCM) in which thin needles are inserted into the body. [3] Acupuncture is a pseudoscience; [4] [5] the theories and practices of TCM are not based on scientific knowledge, [6] and it has been characterized as quackery.
