Operating System (OS)
Supervisor state is

None of these
only allowed to the operating system
required to perform any I/O
never used
entered by programs when they enter the processor

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

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

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Operating System (OS)
The main function of the dispatcher (the portion of the process scheduler) is

bring processes from the disk to the main memory
assigning ready process to the CPU
None of these
suspending some of the processes when the CPU load is high
swapping a process to the disk

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