When the parent association’s fund was exhausted, he and other students switched to other systems including DEC’s PDP mini computer. One mission one family slow down move over shirt. Computer Center Corporation (CCC) invented the PDP-10 banned four Lakeside students including Bill Gates, Paul Allen, Ric Weiland, and Kent Evans using the computer system in the summer after the four had declared. Exploiting errors in the operating system to get more time to use this computer system. At the end of the ban, four students suggested to CCC that they would find bugs in CCC’s software and in return they could use the company’s computers. Instead of using systems via telegraph, Gates went to the CCC office and studied the source code for various programs running on the system, including programs in FORTRAN, LISP, and machine language.