Mini and Personal Computing Timeline

600 BCE - Abacus - Commonly credited to the Chinese but may have originated in the Middle east. The oldest surviving abacus was used in 300 B.C. by the Babylonians. May have evolved from counting tables on a simple stone slab with incised parallel lines around 3000 BCE. 1925 - Vannevar Bush at MIT develops analog computers, culminating in the Differential Analyzer in the early 1940's 1945 - Bush authored the article "As We May Think" in the Atlantic Monthly in which he first proposed his idea of the Memex machine, which would help people sort through the enormous amount of published information available throughout the world.