Computer Basic Information
The term USER INTERFACE refers to-

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

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Computer Basic Information
The proper definition of a modern digital computer is

a machine that works on binary code
a more sophisticated and modified electronic pocket calculator
any machine that can perform mathematical operations
an electronic automated machine that can solve problems involving words and numbers
None of these

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