The document summarizes the history of computers from their early invention to modern times. It discusses how Charles Babbage originated the concept of the programmable computer in the early 19th century. The first electronic stored-program computer was the ENIAC, which was invented in 1943 and completed in 1946. The first program ever run was on June 21, 1948 on an electronic stored-program computer by Tom Kilburn. The document then briefly mentions some important people and companies in computer history like Michael Dell, Steve Jobs, Gordon Moore, Bill Gates, and HP.