Computer professionals must have good reasoning and logical problem solving talents, be observant, alert to element and tenacious in pursuing problems to completion. Started by a bunch of engineers that left Digital Tools Company (DEC), Data General designs the Nova minicomputer. It had 32 KB of memory and bought for $eight,000. Ed de Castro, its principal designer and co-founder of Data General, had earlier led the staff that created the DEC PDP-eight. The Nova line of computer systems continued by the 1970s, and influenced later methods just like the Xerox Alto and Apple 1.