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Operating system - Wikipedia
ウェブ1 日前 · 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 …
1980s - Wikipedia
ウェブ1 日前 · The 1980s (pronounced "nineteen-eighties", shortened to "the '80s" or "the Eighties") was a decade that began on January 1, 1980, and ended on December 31, 1989.. The decade saw a dominance of conservatism and free market economics, and a socioeconomic change due to advances in technology and a worldwide move away …