| A | B |
|---|
 | Ada Lovelace' picture |
 | Charles Babbage's picture |
 | Grace Hopper's picture |
 | Joseph Jacquard's picture |
| Used punch cards on his loom | Jacquard |
| The first computer programmer | Lovelace |
| Created the analytical engine | Babbage |
| Came up with the idea of reusable software | Hopper |
| First company to sell computers to businesses | IBM |
| First company to market computers to schools and home users | Apple |
| Created MS-DOS and Windows software | Bill Gates |
 | Vint Cerf's picture |
| Inventor of Internet Protocol | Vint Cerff |
| Invented HTTP/HTML | Tim Berners-Lee |
 | Tim Berners-Lee's pic |
 | Bill Gates' pic |
