Question 1: What is a DAC? How much do they cost? Who cares?
Question 2: What are the two most important families of operating systems? Provide examples of specific operating systems within these families.
Question 3: What is the distinction between a GUI and a CLI? What are the respective advantages?
Question 4: What is "copyleft"? What is the major similarity of copyleft and copyright? Which concept applies to Linux and which concept applies to Windows?"
Question 4: Who is Linus Torvalds? What does he mean to Portland?