Picture Exchange Communication System, a means of communication for children on the autism spectrum
New York Stock Exchange | operating system | Super Nintendo Entertainment System | Nintendo Entertainment System | London Stock Exchange | Android (operating system) | Academy of Motion Picture Arts and Sciences | Global Positioning System | German Academic Exchange Service | Solar System | X Window System | Microsoft Exchange Server | Korean Broadcasting System | Academy Award for Best Picture | American Stock Exchange | Motion Picture Association of America | U.S. Securities and Exchange Commission | The Picture of Dorian Gray | System of a Down | Foreign exchange market | Domain Name System | Communication | Seoul Broadcasting System | North Carolina Community College System | communication | Toronto Stock Exchange | Mutual Broadcasting System | Bulletin board system | system | Turner Broadcasting System |