operating system

[op-uh-rey-ting sis-tuhm]

noun

Computers.

1. the collection of software that directs a computer's operations, controlling and scheduling the execution of other programs, and managing storage, input/output, and communication resources. OS

operating system

noun

1. the set of software that controls the overall operation of a computer system, typically by performing such tasks as memory allocation, job scheduling, and input/output control

operating system

1. Software designed to handle basic elements of computer operation, such as sending instructions to hardware devices like disk drives and computer screens, and allocating system resources such as memory to different software applications being run. Given uniformly designed operating systems that run on many different computers, developers of software do not need to concern themselves with these problems, and are provided with a standard platform for new programs.

operating system

1. The software that allows computer users to run applications with the hardware of a specific system. Microsoft® Windows® or Apple® Computer's OS are examples of operating systems.

Word History and Origins

Origin of operating system¹

First recorded in 1960–65

Example Sentences

Microsoft is ending support for its Windows 10 operating system, which means from Wednesday 14 October, these computers may be at risk.

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TiVo’s abandonment of hardware in favor of pitching its operating system is one manifestation of the shift.

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But before the enhanced human can blow apart his enemy’s operating system, however, another alien escapes its tank.

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The company announced this week that it updated the operating system that powers its AR glasses.

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Google avoided having to break up and sell off its browser and mobile operating systems divisions, thanks to a Tuesday ruling from U.S.

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