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450
450 Woodblock printing
-Technique for printing text images or patterns.
-ukiyo-e is the best known type of Japanese woodblock print.
-block-books produced manily in the 5th century.
-as a methold of printing on colth, the earlest surving examples from china date to before 220. -
Oct 1, 1450
1450 johann gutenberg
form getenbruy
tnvented the printing press
died in 1468
don't know when he was bored -
1792 mechanical semaphore
a system passing imformation using mavenue blaurs
information is pased along
used into early 1800's
senaponres were a person eletrial telegroh -
1866 first successful transmission over a transatlantic cable
this project began in 1857. The transatlantic telegragh cables got replaced with transatic telecommunication cabels. It runs under the atlantic ocean for communication. It could reply to meany messages. -
Personal computer 1975
- Time sharing minicomputer, & main frame systems are to be used by many people. --large data processing systems required a full-time staff to operate efficiently. -early PC owners usually had to write their own programs to do anything useful with machines even lacking an operating systems
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1982 the first cell phones are availiable from sale
Cellphones are put up for sale.
These new cell phones had an incredible demand.
It took 37 yrs to become commercially availiable in the U.S.
They were extremly popular even though it took ten hours to charge,it was heavy,and it had low talk time. -
1830's Ada BYRON
She was a mathematician,and a writer. She wrote the world's first computer programmer in the world. At very young age she took interest in mathematics. -
1993 marc andreeson creats the first browser program
The first browser program. It made 4.2 billion dollers. The decision to ditribute mosaic for free via the internet. They sold it to a hosting business to EDS and changed the name to opsware. -
900 BC Chinese develop postal system to deliver messages
The Chinese were the first to invent the postal system.
They used the government to send messages.
The Chinese wanted to hold on to the valuable invention.
They held on to their invention for more than 600 yrs.
