Closed environments dominated the computing world of the 1970s and early '80s. An operating system written for a Hewlett-Packard computer ran only on H.P. computers I.B.M. controlled its software from chips up to the user interfaces.
Ellen Ullman
Closed environments dominated the computing world of the 1970s and early '80s. An operating system written for a Hewlett-Packard computer ran only on H.P. computers I.B.M. controlled its software from chips up to the user interfaces.