Period: Jan 1, 1550 to
History of the Computer
Napier's BonesScottish Mathematician. Multiplication Tables inscribed on wood.
PascalineBlaise Pascal made first operational calculating machine. Could only add or subtract. Made to help his father calculate his sums of money.
Step ReckonerGottfield von Lebiniz His calculating machine could multiply, divide, and evalulate square roots. Proposed first Binary Number System.
Jacquard Loomsilk weaver
real name was Joseph-marie jacquard
Developed use of punchcards to change the pattern
Charles BabbageFather of the computer Made 2 types of Engines:
First type is Difference Engine
Second type was Analytical Engine Did not got finaced so never could build the actual machine
17,000 euros used of the govermants money but never finished
His envention was built in the 20thcentury by another man
The Punch Card MachineHermen Hollerith made the first Contribution to the Census Census of 1890
Ada Augusta ByronConsisdered the first computer programmer
worked on Babbages idea and wrote codes to test it