operating system

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operating system (OS)

the main system programs of a computer that manage the hardware and application resources, including data input and output. Applications require an operating system to support and enable their function.
References in periodicals archive ?
0 operatingsystem on its 10 servers, which it is gradually upgrading from Windows Server 2003to Windows Server 2008 R2.
2 - Froyo Android operatingsystem and that too at an unbelievable price.
released the tablet computer that has contributed to a steady decrease in sales of laptop and desktop machines running on the Windows operatingsystem.

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