00517pamaa2200181 4500 0000016306 20080422090000.0 0132556391 004 LON 1997 QA76 LON 1997 Long Introduction to computers and information systems : the internet Larry Long and Nancy Long. 5th ed. New Jersey: Prentice Hall, 1997. xv, 156p.; 28cm. Computers Internet (Computer network) Long, Nancy