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Jan 1, 1500
Abacus 3000 BC
counting device used by the chinese and asia it was made of wood with little round balls that slide up and down that is used for counting. -
Holes in Cards
a punch card contained digital information -
The analytical machine
Charles Babbage, invented the first automatic calculating machine. It was also used to calculate and print mathematical tables. -
von neumann architecture
a design modal for stored-program digital computers. -
ENIAC
the army need a computer and they used it to calculate artillery firing tables and target accuracy. It took 18 mounts and 500,000 dollars to build -
high-leval programming language
strong abstraction from the details of the computer -
UNIVAC
it is an electrical computer that has lots of switches punch cards and switches usually took multiple people to work it. -
PC
the first one was a datapoint 2200 a personal computer it is a microcomputer designed for one persons use at a time. -
UNIX operating system
owned by AT&T this is how the internet started. -
altair
a microcomputer design. Sold thousands in the first month. Lots of individuals and businesses wanted them. -
apple
it is a company that makes computers, iPods hardware and software for computers called apple they also made the Mac. -
CRAY-1
was installed at Los Alamos National Laboratory it was capable of processing 20 – 60 million floating point operations per second. -
First electronic spreadsheet
VisiCalc was the first computer spreadsheet. It was considered the 4th generation software program. -
macintosh
a Macintosh also known as the Mac is a personal computer. -
windows
windows is a personal computer it is operating system from Microsoft it was introduced to home, business and pc users.
