Discussion Post
a) Discuss the need for dividing an operating system into at least two modes, user and kernel. What are the advantages and disadvantages associated with this division of labor?
b) What properties of a program enable it to be divided into pages? How is it possible for a program to execute with only a subset of these pages residing in the main memory at any given time?
The response should include a reference list. Using double-space, Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.