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History of computing (paleolithic peoples (animal bones, ivory, stone),…
History of computing
paleolithic peoples
animal bones
ivory
stone
Leonardo Da Vinci
1500
cog-wheeled
first mechanical calculator
Blaise Pascal
Pascaline
mechanical adding machine
1642
Babbage
Analytical Engine
new device
sequential control
Herman Hollerith
electric tabulating system
census mechanically
1924
end of Tabulating Machine Company
start of International Business Machines (IBM)
Gottfried Leibniz
1670
Pascaline: multiplication, division, square root
Joseph Marie Jacquard
mechanical loom
punched cards for operations
Babylonians
clay tablets
Egyptians
papyrus
Chinese
abacus