Computer hardware engineering was one of the first, and many hobbyists that did not even know they were computer engineers at the time built their own computers from scratch. Initially, the computers they built ran simple tasks, such as solving basic math. Now, computer hardware engineers develop complex microprocessors and circuit boards for advanced groups, including the federal government and some of the largest Fortune 500 technology companies. The need to be bigger (or smaller) and faster will always be there, as consumers expect this area to continue to advance as it has in the past.