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Period: Jan 1, 1395 to
Pioneers of computing
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Mar 5, 1400
abacus 1000 BC-500 BC
It was invented by Egyptians or chinese for subtract or add -
Mar 4, 1448
Printor was inveted by Johannes Gensfleisch zur Laden zum Gutenber
Johannes Gensfleisch zur Laden zum Gutenber made printor. -
Blaise Pascal born.He made the first calculator
He made the first calculator -
pascaline calculator.
It is a calculator that was created by blaise pascal. It can add, and subtract -
Gottfried Wilhelm Leibniz was born. He made better calculator.
He made better calculator. -
Leibinz calculator.this is a calculator made by Gottfried Wilhelm Leibniz. It can multiply, add, and subtract.
this is a calculator made by Gottfried Wilhelm Leibniz. It can multiply, add, and subtract. -
Charles Babage was born. He creat calculator that can calculate 6 digit and print the answer
He creat calculator that can calculate 6 digit and print the answer -
Augusta Ada Lovelace was born.She is the first one who create computer program
She is the first one who create computer program -
Difference engine
It’s a calculator invented by Charles Babbage . it can add subtract and multiply and print the answer -
J.A Fleming was born. He made vaccum tube.
He made vaccum tube. -
Herman Hollerith was born. He invent computer that can count
He create computer that can count -
Light bulb was invented
Edison made lightt bulb -
Tommy Flowers was born.He make machine that help solve encrypted German messages.
He make machine that help solve encrypted German messages. -
Alan M. Turing was born. He create machine named pegasus it can count where the bomd target
He create machine named pegasus it can count where the bomd target -
Rober E Khan was born. He made internet with Vint cerf
He made internet with Vint cerf -
vaccum tube.A circut board of blocks that held 4000vaccum tubes for IBM’s model 701.
vaccum tube
year:1940-1950
Info:A circut board of blocks that held 4000vaccum tubes for IBM’s model 701. -
Steve Wazniak was born.He made the first Apple computer
He made the first Apple computer -
Transistor
A semiconductor device with three connections, capable of amplification in addition to rectification. -
Bill Gates was born. Bill stared up microsoft with his friend Steve Ballmer in1975
Bill stared up microsoft with his friend Steve Ballmer in1975 -
Tim Berners was born.He made World wide web.
He made World wide web. -
Integrated circuit.There many transistors combined forming a intergrate circuit.
There many transistors combined forming a intergrate circuit. -
microprocessors.It is known as CPU or central processing unit.
It is known as CPU or central processing unit.
