Which statement is true of a global information system $($GIS$)?$

Question $21$ options:

a$)$

It enables a company's subsidiaries to function with complete autonomy.

b$)$

It facilitates communication between headquarters and subsidiaries in other countries.

c$)$

It differs from a typical information system as it excludes operations management.

d$)$

It incorporates technologies that are specific to a particular country.