1.Preemption in scheduling is (select all that apply):

	Is part of Shortest Remaining Time first scheduling.
	Is a part of First Come First serve scheduling.
	Is found in round robin schedulers.
	scheduling where a process with a higher priority than the executing process upon arriving will displace a currently running process in the CPU.

2.A relocation register serves to:

	Determine if a program is out of range of physical memory that can be access by the privileges of a running program and relocate to space where the program is permitted.
	Provide the address for dynamic libraries to be loaded into so that a program can always access them even if it is relocated.
	Is the base address for the kernel while executing which is frequently being relocated.
	Permit dynamic relocation by providing a base address that the memory manager can use to map to physical memory if the program changes location after being swapped back in.