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
the failure of one device may affect other devices on the chain
it is relatively easy to add more devices to the chain

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Operating System (OS)
Memory management is :

critical for even the simplest operating systems
not used in modern operating system
not used on multiprogramming systems
None of these
replaced with virtual memory on current systems

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