-
100
Abacus
1000BCE- 500 BCE
Made in China and Egytians -
Period: to
Blaise Pascal
He was a mathematician
Made a calculator that can add and subtract.
France -
Pascaline Machine
Calculator that can add and subtract.
Invented by Blaise Pascal -
Period: to
Gottfried Leibniz
Mathematician and a philosopher.
Germany -
Period: to
Charles Babbage
Grandfather of computing- orginated modern computers
Mathematician, engineer, and a philosopher
Was curious
London, England -
Period: to
Ada Lovelace
Mathematician
Knew Charles Babbage's work
London, England -
Difference Engine
Invented by Charles Babbage that can input, process, output and storage. -
Period: to
Herman Hollerith
USA
Engineer and a scientist
Invented first modern computer -
Period: to
Tommy Flowers
England
Engineer
Built Colossus in WWII -
Period: to
Alan M. Turing
England
Gay
Mathematician, logician, computer scientist and a codebreaker
Helped in war -
Headphones
My own choosing -
Printers
My own choosing -
Vacuum Tubes
Had no electricity
4000 vacuums at once -
Colossus
Made by Alan Turning and used in WWII. -
Cell Phones
My own choosing -
Transistors
1950's -
Period: to
Steve Wozniak
Was the founder of Apple
Enginner and a programmer
USA -
Period: to
Tim Burners Lee
Invented WWW
Physicialst, profeessor and a computer scientist
England -
Period: to
Bill Gates
Billionaire, nerd
Started microsoft
Was in jail
USA -
Integrated Circuits
Had 16 legs -
Laptop
My own choosing -
Smart Phones
My own choosing -
Microprocessors
Used until nowdays
