-
-From 2700-2300 B.C.
-Was used for mathematical problems -
-Invented logarithms which is the inverse operation of exponents
-
-Invented the Pascaline which was known as the first mechanical and automatic calculator.
-
-started in 1800 and went until 1950
-similarity between like features -
-ended in 1950
-a similarity between like features -
-Invented the Jacquard loom which was a weaving machine controlled by punched cards.
-
-Designed a computer machine called The Difference Engine.
-Also created the Analytic Engine in 1834.
-Both were powered by steam and used hole punched cards to run. -
-Created by Samuel Morse
-a form of communication using dots and dashes -
-She was the first computer programmer.
-
-created IBM
-
-invented by Fleming
-made from glass
-size of a lightbulb -
-went from 1940-1956
-
-invented by Shickley, Houser, and Bardeen
-Bell laboratories
- Used no heat and only a little electricity
-very small -
-went from 1956-1963
-
-invented by Jack Kilby
-smaller than a dime
-had thousands of transistors on it -
-went from 1963-1971
-
-Developed the first microprocessor
-Could put lots of storage on a small chip -
-1971 to present
-microprocessor -
-future
-nanotechnology
-Quantum
