-
1300 BCE
Abacus
It was used to calculate numbers, add, subtract, multiply and division. Also to find square roots and cubed roots.
Reference:
http://history-computer.com/CalculatingTools/abacus.html -
1000 BCE
Antikythera mechanism
Used for astrological purposes such as prediction of astronomical positions or eclipses.
Reference:
http://www.age-of-the-sage.org/archaeology/antikythera_mechanism.html -
Schickard calculator
It was used to calculate astronomical tables, could add and subtract six digit numbers.
Reference:http://www.computinghistory.org.uk/det/5921/Wilhelm-Schickard-invented-a-calculating-machine/ -
Pascaline
Was the first business machine that could only add and subtract.
Reference: https://www.britannica.com/technology/Pascaline -
Babbage’s Difference Engine
Calculator designed to tabulate polynomial functions.
Reference: http://www.computerhistory.org/babbage/engines/ -
Mark I
Room-sized, relay-based calculator.
Reference: http://sites.harvard.edu/~chsi/markone/about.html -
Z3 (Konrad Zuse)
World's first working programmable, automatic computing machine. Electromechanical computer that calculates aerodynamics of airplanes.
Reference: http://www.computinghistory.org.uk/det/5926/Zuse-Z3-machine-completed/ -
EDVAC
Electronic Discrete Variable Automatic Calculator, computer with more internal memory than ever before.
Reference: https://www.thocp.net/hardware/edvac.htm -
ENIAC
Earliest electronic general purpose computers made. Designed and primarily used to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory.
Reference: https://www.britannica.com/technology/ENIAC -
IBM System 360
The IBM System 360 is a family of mainframe computer systems, designed to cover the complete range of applications, from small to large, both scientific and commercial.
Reference:
https://en.wikipedia.org/wiki/IBM_System/360 -
Atari Pong
The Atari Pong is one of the earliest commercially successful video game. Its based on a simple two dimensional graph representation of a tennis like game.
Reference:
http://www.computinghistory.org.uk/det/4007/Atari-PONG/ -
ABC (Atanasoff-Berry Computer)
First electronic computer whose purpose is to solve systems of Linear Algebra, designed and built by John Vincent Atanasoff. Computer that can solve 29 equations simultaneously and is able to store information on its main memory.
Reference:
http://www4.ncsu.edu/~belail/The_Introduction_of_Electronic_Computing/Atanasoff-Berry_Computer.html -
MITS Altair 8800
The MITS Altair 8800 is a microcomputer designed in 1974 and introduced in 1975. Considered by many to be the first “personal computer”.
Reference:
http://oldcomputers.net/altair-8800.html -
IBM PC
Small machine (personal computer) that could process information faster than mainframes of the 1960’s.
Reference: https://en.wikipedia.org/wiki/Personal_computer -
Apple Macintosh
Family of personal computers, for general use and entertainment.
Reference: https://en.wikipedia.org/wiki/Macintosh -
Nokia 9000i Communicator
First Nokia phone, a communicator.
Reference: https://medium.com/people-gadgets/the-gadget-we-miss-the-nokia-9000-communicator-ef8e8c7047ae -
Apple iPad (1st generation)
Handheld touch screen computer used for general uses and entertainment.
Reference: https://www.apple.com/newsroom/2010/01/27Apple-Launches-iPad/ -
IBM Watson
A question answering computer system.
Reference: https://en.wikipedia.org/wiki/Watson_(computer)
