Computer Basic Information
Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?

ROM
Core memory
Bubble memory
None of these
Magnetic disk

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

there are multiple versions of Linux, but only one version of Windows.
any programmer can modify Linux code, which is not permitted with 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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