Which of the Following Occurred in the 1964-1990 Generation of Computing

Multiple Choice

Which of the following occurred in the 1964-1990 generation of computing?

A) The mainframe era began.
B) The personal computer era ended and interpersonal computing began.
C) The mainframe era ended and the personal computer era began.
D) The interpersonal computing era ended and the internetworking era began.
E) The internetworking era ended.