Access control system topologies. 1  Work load on the host PC is significantly reduced, because it only needs to communicate with a few main controllers. 2  The overall cost of the system is lower, as sub-controllers are usually simple and inexpensive devices. 3  All other advantages listed in the first paragraph apply.
This excerpt taken from the CVX 10-K filed Mar 9, 2004. Texaco Merger Transaction. On October 9, 2001, Texaco Inc. (Texaco) became a wholly owned subsidiary of Chevron Corporation (Chevron) pursuant to a merger transaction, and Chevron changed its name to ChevronTexaco Corporation.
It is the largest direct descendant of John D. Rockefeller 's Standard Oil Company, and was formed on November 30, 1999 by the merger of Exxon (originally the Standard Oil Company of New Jersey) and Mobil (originally the Standard Oil Company of New York).