Answer:
File details is the correct answer for PLATO users
Explanation:
I think that you might have used it a lot or its just a glitch and will come back after some time.
It might be that your screen cracked.
But try re-booting if that does not work, wait and take off the battery.
Data mining is an information analysis tool that involves the automated discovery of patterns and relationship in the data warehouse.
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You must have an administrator password before you can access the drive <span />
Answer:
trackball
Explanation:
A trackball can be seen on a mouse.
