Answer:
yes
Explanation:
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It does look like a model
Hope it helps I mean just my opinion.
Answer:
Boolean Operators
Explanation:
When performing a boolean search, boolean operators allow users to combine keywords with operators (or modifiers) such as AND, NOT and OR to further produce more relevant results.
The boolean operators AND and OR are used to include certain words and phrases during the search while the boolean operator NOT is used to exclude certain words and phrases.
Without system software, system can not run on the other hand without application software, system always runs