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a machine developed in 1939 at Iowa State University by JohnAtanasoff and Clifford Berry for solving equation systems. Although it did not allow for stored programs, it was an important predecessor of the ENIAC and other digital computers.

Copyright © 2005, 2000, 1995, 1987 by Barron's Educational Series, Inc., Reprinted by arrangement with Publisher.
Copyright © 2006, 2003, 2000, 1998, 1996, 1995, 1992, 1989, 1986 by Barron's Educational Series, Inc. Reprinted by arrangement with Publisher.