Computer Basic Information
Which of the following memory is capable of operating at electronics speed?

None of these
Magnetic tapes
Semiconductor memory
Magnetic disks
Magnetic drums

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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.
any programmer can modify Linux code, which is not permitted with Windows.
None of these
Windows can run with an Intel processor, whereas Linux cannot.

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