Charles Baggage designed two calculating machines that was never produced it stayed in the blueprint stage but the machine was capable of squaring number automatically
Joseph Jacquard a weaver disconvers that the weaving instructions could be stored on cards
herman Hollerith invented a calculating machine for U.S census Officals that ran on electricity and used punch cards to store data
first computer like machine built was the mark 1 by IBM and harvard University
the univac was built and sold to the U.S Census Bureau
the invention of the transistor resluted in more engery effeicent computers
the microprocessor an entire cpu on one chip
Stephen Wonznik and Steven Jobs designed and built the first apple comoputer
clone of IBMs pc made personal computers cheaper
IBM introduced its own pc
computers that we use ,use the design roles made by John von Neumann