| A | B |
|---|
| john napier | napier bones |
| blaise pascal | automatic calculating machine |
| gottfried leibnez | calculus |
| charles xavier thomas | arithmeter |
| joseph jacquard | jacquard lume |
| charles babbage | 1modern computing device |
| gerorg scheutz | sweedish calculator |
| augusta ada byron | 1female computer scientist |
| herman hollerith | automatic censes bereau |
| thomas watson jr | ibm |
| alan turing | turing machine |
| georoge stibitz | modern digital calculator |
| john atanasoff | electronic calculating machine |
| dr howard aiken | mark 1 computer for ibm |
| dr john mauchly& presper eckert | eniac computer |
| john bardeen william shockley walter brittian | transitters |
| john von neumann | stored program concept |
| dr daniel slotnick | illiac computer |
| robert noyce jack kilby | intergrated circuit |
| alan kay | interface |
| grace hopper | cobol |
| ted hoff | microprocessor |
| ed roberts | altair |
| donald knuth | tex typesetting system |
| steve jobs steve wozniak | apple computer |
| bill gates paul allen | microsoft |
| steve case | aol |
| lawreence ellison | oracle |
