| A | B |
|---|
| Pascal | invented the first mechanical calculator- the Pascaline |
| Hollerith | 1st American to contribute to the invention of computers - the IBM |
| Babbage | Father of Computers |
| Binary code | computer codes using 0's & 1's |
| abacus | counting tool developed over 4000 years ago |
| A computer: | cannot think for itself or make decisions |
| clicking | quickly pushing the mouse button 1 time |
| icon | small picture on computer screen to start a program when clicked on |
| monitor | displays visual graphics and information |
| mouse | moves cursor on the computer screen |
