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- pronunciation:
- a
p
 r
eI
tihng
sIs
tm
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noun |
| definition: |
in computing, the software that controls and manages all aspects of a computer's operation, including the execution of application programs; the functioning of computer hardware; data input and output; the timing of and allocation of resources to the execution of multiple, simultaneous tasks; the physical storage and location of data; and computer security. Users interact with the operating system though a graphical user interface.
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