The Primary Difference Between an Application Built Using the Client/server

Multiple Choice

The primary difference between an application built using the client/server architecture and a centralized database system on a mainframe is that:

A) in a mainframe environment,all interactions with the user and local devices are handled by local intelligent terminals
B) in a client/server environment,each client is an intelligent part of the application processing system
C) in a client/server environment,all parts of the information system are managed and executed by the central computer
D) none of the above