Computer Basic Information
The MS-DOS operating system is a .....

graphical user interface, single-tasking operating system
None of these
graphical user interface, multi-tasking operating system
command-driven interface, single-tasking operating system
command-driven interface, multi-tasking operating system

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

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

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