x86. Suppose this OS structure allows device drivers to be implemented at user-level. On the x86 architecture a general protection fault occurs if we attempt to trap to a ring of protection less privileged than the current protection domain. Briefly explain how we can invoke user-level device drivers from the kernel (by essentially performing the opposite

Instruction active describing list features which statements accurately describe the features of word that are used to create lists? check all that apply. the tab key can be used to create a sublist. the enter key can be used to add an item to a list. the numbering feature allows for the use of letters in a list. the numbering feature can change the numbers to bullets in a list. the multilevel list feature provides options for different levels in a list.