Dictionary

operating system

noun

computers : the main program in a computer that controls the way the computer works and makes it possible for other programs to function

Full 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)

First Known Use of OPERATING SYSTEM

1961
OPERATING SYSTEM Defined for Kids

operating system

noun

Definition of OPERATING SYSTEM for Kids

:  a program or series of programs that controls the operation of a computer and directs the processing of the user's programs

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