Operating System (OS)
Which of the following functions is(are) performed by the loader

None of these
allocate space in memory for the programs and resolve symbolic references between object decks
physically place the machine instructions and data into memory.
adjust all address dependent locations, such as address constants, to correspond to the allocated space.
All of these

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

the number of control lines is independent of the number of devices on the chain
priority is programmable
it is relatively easy to add more devices to the chain
the failure of one device may affect other devices on the chain
None of these

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Operating System (OS)
The Memory Address 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".
None of these
contains the address of the memory location that is to be read from or stored into.
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
is a hardware memory device which denotes the location of the current instruction being executed.

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Operating System (OS)
Scheduling is

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

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