To complete tasks quickly and efficiently, an operating system has many special software components that are known as
a. processes.
b. scripts.
c. routines.
d. system files.

The software components are known as "system files". These files are responsible for breaking down the many tasks at hand for the computer and making sure each one is completed in the proper order.

Protecting and assisting  u.s. citizens  living or traveling abroad; assisting u.s.  businesses  in the international marketplace; coordinating and providing support for international activities of other u.s. agencies (local, state, or federal government), official visits overseas and at home, and other diplomatic efforts.keeping the public informed about u.s. foreign policy and relations with other countries and providing feedback from the public to administration officials.providing  automobile registration  for non-diplomatic staff vehicles and the vehicles of diplomats of foreign countries having  diplomatic immunity  in the united states