-
charles babbage
Built the first auomatic calculator -
Herman hollerith
created the hollerith tabulating machine -
Z1 computer
-mechanical caculator
-included control unit and seprate memory functions -
1st generation computers
used vaccum tubes to store data -
Introduction of the GUI
never sold commercially
came with network and a mouse -
2nd generation computers
used transistors to store data -
3rd generation computers
used integrated circuits -
Basic
-
4th generation computers
used microprocessor chip -
altair computer
the first person computer -
bill gatess
Wrote interpeter program and sold altair -
steve jobs
-
Apple II
built buy steve jobs and steve woziniak
operatig sytem stored in ROM -
visicalc
included disk drives in personal comuers set off an explosion of software applications -
wordstar
Word processing -
osborne computer
Built overnight successfully
5 inch screen -
pagemaker
-
excel
-
Mosiac
caused 350% increase in internet traffic -
netscape
in 1998 netscape became an open source