Operating System (OS)
Daisy chain is a device for

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

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Operating System (OS)
Addressing structure

None of these
All of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
defines the fundamental method of determining effective operand addresses

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Operating System (OS)
Trojan-Horse programs

do not usually work
None of these
are hidden programs that do not show up on the system
are legitimate programs that allow unauthorized access
usually are immediately discovered

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