Operating System (OS)
The function(s) performed by the paging software is (are)

All of these
Implementation of the access environment for all programs in the system
Management of the physical address space
None of these
Sharing and protection

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Operating System (OS)
Scheduling is

allowing jobs to use the processor
the same regard-less of the purpose of the system
unrelated to performance consideration
not required in uniprocessor systems
None of these

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Operating System (OS)
The instruction register

contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
None of these
contains the address of the memory location that is to be read from or stored into.
is a hardware memory device which denotes the location of the current instruction being executed.

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Operating System (OS)
Daisy chain is a device for

None of these
connecting a number of controllers to a device
interconnecting a number of devices to a number of controllers
connecting a number of devices to a controller
All of these

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