Computer Basic Information
The term USER INTERFACE refers to-

What the user sees on the screen and how they interact with it.
The means by which the user interacts with peripheral devices on the computer.
All of these
How the operating system responds to user commands

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Computer Basic Information
What is backup?

Accessing data on tape
None of these
Filtering old data from the new data
Adding more components to your network
Protecting data by copying it from the original source to a different destination

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