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Sep 19, 701
Vacuum tubes
It is used for an old computer and for to work 1computer it needs 4000vacuumtubes. It is very large -
Sep 19, 1001
Abacus
Abacus was invented in 2600BC and at first it was used for adding and subtracting. -
Period: Sep 19, 1001 to
About Computer History
It is about Abacus, vacuum tubes, Trasisters, Micro processer -
Nafier's Rods
Napier's Rods are used for multipling -
Blaise pascal
He invented the first caculater named Pascalin -
Gottfried Wilhelm Leibniz
He invented a calculater that is much better then Pascalin it can multiply and subtract too. -
Charles Babage
He is called the grandfather of computer. And he made a most usefull computer in that year -
Ada Lovelace
She was the first girl programer and made calculater -
Alan M.Turing
He broke all the codes that what going to the war. -
Transistor
John Bardeen Invented the transistor and -
BillGates
He is a billionare and a founder of microsoft -
Integrated Circuits
(late 1960s) Integrated circuits are eletrical circuits and another name for a chip. and jack kilby invented it -
MicroProcesser
It was Invented early 1970's and it is used untill now . It works much betted then vacuumtubes and it is the 4th generation -
Ipod 4thGeneration
it is invented in 2010 sep 8 and it is working with a charge
