Meaning of “open system” in the English Dictionary

"open system" in Business English

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open systemnoun [ C ]

uk us IT

a computer system that anyone can use:

On an open system like the internet, the only way to keep data safe is to scramble it.

a computer system on which you can use programs that were designed to be used on other systems:

(Definition of “open system” from the Cambridge Business English Dictionary © Cambridge University Press)