operating system
noun
: software that controls the operation of a computer and directs the processing of programs (as by assigning storage space in memory and controlling input and output functions)
Examples of operating system in a Sentence
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Even top-of-the-line phones are destined to become obsolete—still able to perform the basic functions like phone calls and texts, but stuck with an old operating system and failing apps.
—
Andrew Moseman, The Atlantic, 21 Oct. 2025
Ensure your operating system, apps and antivirus software are current.
—Kurt Knutsson, FOXNews.com, 19 Oct. 2025
In addition, about 90% of the laptops and PCs in China still use the Windows operating system, according to Capital Economics.
—Jason Ma, Fortune, 18 Oct. 2025
Microsoft unveiled a new category of PC that features generative artificial intelligence tools built into the Windows operating system.
—Jordan Novet, CNBC, 16 Oct. 2025
See All Example Sentences for operating system
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Andrew Moseman, The Atlantic, 21 Oct. 2025
Ensure your operating system, apps and antivirus software are current.
—Kurt Knutsson, FOXNews.com, 19 Oct. 2025
In addition, about 90% of the laptops and PCs in China still use the Windows operating system, according to Capital Economics.
—Jason Ma, Fortune, 18 Oct. 2025
Microsoft unveiled a new category of PC that features generative artificial intelligence tools built into the Windows operating system.
—Jordan Novet, CNBC, 16 Oct. 2025
See All Example Sentences for operating system
Cite this Entry
“Operating system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/operating%20system. Accessed 25 Oct. 2025.
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