Operating System (OS)
Memory management is :

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

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Operating System (OS)
Multiprogramming systems:

None of these
are easier to develop than single programming system
execute each job faster
execute more jobs in the same time period
are used only on large mainframe computers

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

priority is programmable
None of these
the number of control lines is independent of the number of devices on the chain
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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