Definition of operating system
: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)
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operating system
noun
From the M-W Editors
First Known Use of operating system
1961
OPERATING SYSTEM Defined for English Language Learners
operating system
noun
Definition of operating system for English Language Learners
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computers : the main program in a computer that controls the way the computer works and makes it possible for other programs to function
OPERATING SYSTEM Defined for Kids
operating system
noun
Definition of operating system for Students
:a program or series of programs that controls the operation of a computer and directs the processing of the user's programs
Learn More about operating system
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Nglish: Translation of operating system for Spanish speakers Britannica.com: Encyclopedia article about operating system
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