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
None of these
it is relatively easy to add more devices to the chain
the failure of one device may affect other devices on the chain

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Operating System (OS)
You should choose sleep option when

You are leaving for a very short time and want to resume you work shortly
When computer gets hanged frequently. Let it sleep for some time
You finish working and going to bed
The computer is tired after working for the whole day

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Operating System (OS)
Data encryption

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

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