Which of the Following Statements Is True of Workgroup Information

Which of the following statements is true of workgroup information systems?

A) Workgroup information systems that support a particular business function are called personal information systems.
B) Workgroup information systems typically support 10 to 100 users.
C) The users of workgroup information systems are defined by levels of security authorisation.
D) Workgroup information systems that support a particular department are called enterprise information systems.