Have you ever seen an old school computor before well back in the 1940's through the 1970's the computors had tooken a room as big as two regular class rooms. Also back then the computor was ment for calucalting numbers in different ways. But now the calculater that you use was much sarter than the one had back in the old days. Now as years went by they use punk cards to give comands to computors. Then as the computor envoled, the computor chip had started to get smaller and smaller, because of the micoprocessor. Then apple came out with a great selling computor call the apple 2