C. Operating systems are the middleman between the hardware of the computer, the user, and the software applications that are installed. The operating system always takes the input from the user, translates it into commands for the hardware, and returns the result.
A, D. Windows and Android are operating systems. Microsoft Office is an application that must be installed on top of the operating system. Hardware is the collection of the physical elements that constitute a computer.
B, C. When you lock your computer or switch users, the computing session is paused, and your applications and files remain open. You do not have to save your work because you are not ...
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