operating system
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operating system
- /ˈɒpəˌɹeɪtɪŋ ˌsɪstəm/ UK
- /ˈɑpəˌɹeɪtɪŋ ˌsɪstəm/ US
Where it comes from
From operating + system. First use appears c. the 1950s.
noun operating systems
- Software that is designed for controlling the allocation and the use of various hardware resources to tasks and remote terminals. The operating system is the key mediator of access by processes within a computer system.
