Computer Basic Information
A disadvantage of the laser printer is:

None of these
The output is of a lower quality
It is very slow
It is quieter than an impact printer.

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

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