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Abacus
Also known as a counting frame, it was used widely by merchants as a calculating device. It first emerged in the Mesopotamian era around 2700 B.C.
https://en.wikipedia.org/wiki/Abacus -
Analytical Machine
Was designed to compute numbers in 1837 by Charles Babbage. http://www.britannica.com/technology/Analytical-Engine -
Holes in Cards
‘’punch cards’’ or IBM computer cards. Developed in late 1920s. In computers, they were used to be formated to hold data. http://whatis.techtarget.com/reference/History-of-the-punch-card -
ENIAC
Was the first general purpose computer developed between 1943-1945.
<a href='http://www.computerhistory.org/' -
von Neumann architecture
John Neumann designed a way to put together a digital computer efficiently in 1945. -
UNIVAC
The Universal Automatic Computer is a name for all electronic digital stored computers. Also it was the first commericaly available computer.
http://www.thocp.net/hardware/univac.htm -
High-Level Programming Language
Used in the 1960s for dealing with arrays, variables and objects. -
PC
The Personal Computer (PC) was made in 1965 for the average computer buyer to be used at home. -
UNIX Operating System
A multitasking and multiuser operating system made in the late 1960's for severs, desktops, and laptops.
http://www.ee.surrey.ac.uk/Teaching/Unix/unixintro.html -
Apple
Founded on April 1st 1971 by Steve Jobs, Ronald Wayne, and Steve Wozniak, the apple corporation became a leading marketer for computers -
CRAY-1
A supercomputer developed by Cray Research, in 1975, to perform at top speeds -
First Electronic Spreadsheet
VisiCalc was the first spreadsheet to be on a computer -
Macintosh
Apples first PC, debuted on January 22nd 1984, was priced at $2,495 and sold around fifty thousand units in a few months. All apple computers are called ‘’Mac’’. -
Windows
Started back in the 1980s the windows 1.0 was to compete with apple's macintosh. -