Computer Basic Information
The function of CPU is

to provide a hard copy
to provide external storage of text
None of these
to communicate with the operator
to read, interpret and process the information and instruction

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Computer Basic Information
The essential difference between an operating system like Linux and one like Windows is that

Linux is proprietary, whereas Windows is not.
there are multiple versions of Linux, but only one version of Windows.
Windows can run with an Intel processor, whereas Linux cannot.
None of these
any programmer can modify Linux code, which is not permitted with Windows.

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