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

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

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Computer Basic Information
Which of the following would most likely NOT be a symptom of a virus ?

THe Web browser opens to an unusual home page.
Existing program files and icons disappear.
Odd messages or images are displayed on the screen.
The CD-ROM stops functioning.
None of these

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