Peter Norton's introduction to computers. Introduction to computers Norton, Peter, 1943- Computers. Computer software. QA76.5 .N6818 2006 004 22 NOI Boston : McGraw-Hill Technology Education, c2006. c2006. 2006 Text xxviii, 656 p. : http://www.loc.gov/catdir/bios/mh051/2004055992.html http://www.loc.gov/catdir/toc/mh051/2004055992.html eng