Early Personal Computer Users Remember the Cumbersome, User-Unfriendly DOS System

Multiple Choice

Early personal computer users remember the cumbersome, user-unfriendly DOS system. When Apple introduced System 1 and Microsoft introduced Windows, both of which were much easier to use, these new products diffused rapidly because of their

A) relative advantage.
B) compatibility.
C) observability.
D) associated services.
E) trialability.