Figure 1.1 - Abstract view of the components of a computer system. 1  Computer = HW + OS + Apps + Users. 2  OS serves as interface between HW and ( Apps & Users 3  ) OS provides services for Apps & Users.  OS manages resources ( Government model, it doesn't produce anything.
McGhee Tyson Airport. McGhee Tyson Airport (IATA: TYS, ICAO: KTYS, FAA LID: TYS) is a public and military airport 12 miles south of Knoxville, in Alcoa, Blount County, Tennessee, United States. It is named for United States Navy pilot Charles McGhee Tyson, lost on patrol in World War I.
1 The 2004 launch of low-cost carrier Independence Air propelled IAD from being the 24th-busiest airport in the United States to fourth, and one of the top 30 busiest in the world. 2  Independence Air ceased operations in January 2006, and its space in Concourse A was taken five months later by United Express.