Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

priority is programmable
the number of control lines is independent of the number of devices on the chain
the failure of one device may affect other devices on the chain
it is relatively easy to add more devices to the chain
None of these

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Operating System (OS)
Data encryption

is mostly used by public networks
cannot be used by private installations
is not necessary, since data cannot be intercepted
None of these
is mostly used by financial networks

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