3. 2400 BC
Theabacus, the first
known calculator,
was invented in
Babylonia
500 BC
PaniniIntroducedthe forerunnerto
modern formal language theory
300 BC
Pingala invented the binary
numbersystem
4. 87 BC
Antikythera Mechanism
was built in Rhodes to
track movement ofthe
stars
60 AD
Heron ofAlexandria
invents machineswhich
follow a seriesof
instructions
724 AD
Liang Ling-Can invents the first
fully mechanical clock
6. 1614
JohnNapier invents a systemofmoveable
rods (Napier's Rods) based on logarithms
which was able to multiply, divide and
calculate squareand cube roots
1622
William
Oughtred
develops
slide rules
8. 1671
GottfriedLeibnizis known asone of the founding fathers of
calculus andalso createdthe steppedreckoner.
1801
Joseph-Marie Jacquardinvents an
automatic loom controlled by punched
cards
9. 1820
TheArithmometer was the first
mass-produced calculator
invented by CharlesXavier
Thomasde Colmar
1822
CharlesBabbage designs his first
mechanical computer, the difference
machine
11. 1840
Ada Byron,Countessof Lovelace, suggests
to Babbage that he usethe binary system.
She writes programs forhis analytical
engine, becoming the world's first
programmer
1835
Samuel Morseinvents
Morsecode
12. 1848
Boolean algebra is invented by
George Boole
1853
Per Georg Scheutz and his son Edvard
invent the TabulatingMachine
1869
William Stanley
Jevonsdesigns a
practical logic
machine
13. 1878
Ramon Vereainvents a fast calculator
with an internal multiplication table
1880
Alexander Graham
Bell invents the
telephone called the
Photophone
14. 1884
TheComptometer is an invention of
DorrE. Felt which is operated by
pressingkeys
1890
Herman Hollerith inventsa
counting machine
which increment mechanical
counters
17. 1923
Television Electronic was
invented by Philo Farnsworth
1924
Electro Mechanical television system was invented by John
Logie Baird
1924
Walther
Bothe
develops
the logic
gate
19. 1938
Konrad Zuse creates the Z1
Computer a binarydigital
computer using punch tape
1939
George Stibitz develops the
Complex NumberCalculator -
a foundation for digital
computers
1937
Alan Turingdevelops the
concept of a theoretical
computing machine
20. 1939
JohnVincent Atanasoff and Clifford
Berrydevelop the ABC(Atanasoft-Berry
Computer) prototype
1939
William Hewlett and David Packard
start Hewlett Packard
25. 1946
F.C. Williamsdevelopshis
cathode-raytube (CRT) storing
device ,theforerunner
to random-access memory
(RAM)
1947
DonaldWatts Daviesjoins AlanTuring to build
the fastest digitalcomputer in Englandatthe
time,the Pilot ACE
1947
William Shockley invents the
transistorat Bell Labs
26. 1948
Andrew Donald
Booth invents
magnetic drum
memory
1948
Frederic CallandWilliams & Tom
Kilburndevelopthe SSEM"Small
ScaleExperimentalMachine"
digitalCRT storage,nicknamedthe
"Baby"
1949
ClaudeShannon buildsthe first
machine that playschess
1947
DouglasEngelbarttheorises on interactivecomputing with keyboardand
screen displayinstead ofonpunchcards
27. 1949
Howard Aiken develops the
Harvard-MARKIII
1950
Thefirst electronic computeris created in
Japan by Hideo Yamachito.
1950
Alan Turingpublishes hispaper Computing Machineryand
Intelligence which helps create the TuringTest.
28. 1951
T. Raymond Thompson and John
Simmons develop the first business
computer, the Lyons Electronic
Office(LEO) at Lyons Co.
1951
UNIVACI (UNIVersalAutomatic
Computer I) was introduced - the first
commercial computer made in the
UnitedStates and designed principally
by JohnPresperEckert & JohnW.
Mauchly
29. 1951
TheEDVAC (Electronic DiscreteVariable
Automatic Computer) begins performing basic
tasks. Unlike theENIAC, it was binary rather
thandecimal
1953
TheIBM701 becomes available
and a total of19 aresold to the
scientific community.
1954
JohnBackus& IBM develop the
FORTRANComputer Programming
Language
32. 1957
Sputnik I and
Sputnik II:
Sputnik I and
Sputnik II are
launched bythe
Russians1956
Optical fiber was invented
by BasilHirschowitz, C. Wilbur
Peters,and Lawrence E. Curtiss
33. 1958
ARPA(Advanced ResearchProjects
Agency) and NASA is formed
1958
Thefirst integrated circuit, or
silicon chip, is produced by
the US Jack Kilby & Robert
Noyce
1959
PaulBarantheorises on the
"survivabilityof communication
systems under nuclear attack",digital
technology andsymbiosis between
humans andmachines
35. 1963
Douglas Engelbart invents and
patents the first computer mouse
(nicknamed the mouse becausethe
tail came out the end)
1963
TheAmerican Standard Code for
Information Interchange(ASCII) is
developed to standardizedata
exchangeamong computers.
37. 1964
IBMintroduces the first
word processor
1964
JohnKemenyand ThomasKurtzdevelop
Beginner’sAll-purpose Symbolic Instruction
Language (BASIC)
38. 1965
Andriesvan Dam and Ted
Nelson coin theterm
"hypertext"
1967
IBMcreatesthe first floppy disk
1969
SeymourCray develops the CDC
7600, the first supercomputer
39. 1969
Gary Starkweather inventsthe
laser printerwhilst working with
Xerox
1969
TheU.S. Department ofDefense sets up
the Advanced ResearchProjects Agency
Network (ARPANET) this network was
the first building blocks towhat the
internet is today but originally with the
intention ofcreating a computer network
that could withstand any typeofdisaster.
40. 1970
Intel introducesthe world's first available
dynamic RAM( random-accessmemory)
chip and the first microprocessor,the Intel
4004.
42. 1971
E-mail was invented by Ray
Tomlinson
1971
Liquid Crystal Display ( LCD ) was
invented by James Fergason
43. 1971
Pocket calculator was invented
by SharpCorporation
1971
Floppy Disk was invented by David
Noble with IBM - Nicknamed the
"Floppy" for its flexibility.
1972
Atari releases Pong, the first
commercial video game
45. 1973
Theminicomputer Xerox Alto
(1973) was a landmark step in the
development ofpersonal computers
1973
VintCerfand Bob Kahndevelop
gateway routing computers to
negotiate between the variousnational
networks
46. 1974
IBMdevelops SEQUEL (StructuredEnglish
QueryLanguage ) now known asSQL
1974
CharlesSimonyi coins the term WYSIWYG(WhatYou See Is WhatYou Get) to
describethe ability ofbeing able todisplay a file ordocument exactly howit
is going tobe printed or viewed
1975
Altair producesthe first portable
computer
47. 1977
WardChristensenwrites the programme
"MODEM"allowing two microcomputers
to exchangefiles with eachother over a
phone line
1978
Thefirst magnetic tape is
developed in theUS
1979
Overhalf a million computersare in use in
the United States.
48. 1975
TheMicrosoft Corporation was founded April4,
1975 by Bill Gates and Paul Allen to develop and
sell BASICinterpretersfor the Altair 8800
1976
Apple Computerswas by founded Steve
Wozniak and SteveJobs
1977
Apple Computer’sApple II, thefirst
personal computer with color graphics, is
demonstrated
49. 1980
IBMhiresPaul Allen and Bill Gates tocreate an operating systemfor a
new PC. Theybuy the rights to a simple operating systemmanufactured
by Seattle Computer Productsand useit as a template todevelop DOS.
1981
MS-DOS Computer Operating System
increasesits success
1982
WordPerfectCorporation introduces
WordPerfect1.0 a word processing
program
50. 1982
TheCommodore 64 becomes the best-
selling computerof all time. 1982 SMTP(Simple Mail
TransferProtocol) is introduced
1983
More than10 million computersare in usein the United States
51. 1983
Domain Name System (DNS)
pioneered by JonPostel, Paul
Mockapetris and Craig Partridge.
Seven'top-level' domain namesare
initially introduced: edu, com, gov,
mil, net, org and int.
Microsoft Windows introduced
eliminating the needfor a usertohave
to type eachcommand, like MS-DOS,
by usinga mouse to navigate through
drop-down menus, tabs and icons
52. 1984
Apple introducesthe Macintosh with
mouse and window interface
1984
William Gibson coins the
word cyberspacewhen he
publishes Neuromancer
1985
PaulBrainardintroduces
Pagemakerforthe
Macintosh creating the
desktoppublishingfield.
53. 1985
TheNintendo Entertainment
System makes its debut.
1986
More than30 million computersare in use
in theUnited States.
1987
Microsoft introduces Microsoft Works
1987
Larry Wallintroduces
Perl 1.0
1988
Over45 million PCsare
in use in theUnited
States.
54. 1990
Tim Berners-Leeand Robert Cailliau
propose a 'hypertext' system starting the
modern Internet
1990
Microsoft and IBMstop working together to
develop operating systems
1991
TheWorld Wide Web is launched to
the public on August6, 1991
55. 1993
At the beginning of the yearonly 50 WorldWide Web
serversareknown to exist
1994
TheWorld Wide Web Consortiumis founded by Tim
Berners-Leeto help with the development of
common protocols for the evolution ofthe World
Wide Web
1994
YAHOOis created in
April, 1994.
1995
Java is introduced
1995
Amazon.com is founded by
JeffBezos
56. 1995
EBay is founded by
PierreOmidyar
1995
Hotmail is started by Jack Smith and
Sabeer Bhatia.
1996
WebTVis introduced
1997
Altavista introducesits freeonline
translatorBabel Fish
1998 Google is founded by Sergey
Brinand Larry Page on September 7,
1998
57. 1998
PayPal is founded by PeterThiel
and MaxLevchin
2001
Xbox: Bill Gates introduces the Xbox on
January7th 2001.
2002
Approximately 1 billion PCs
been sold
2006
Skype announcesthat it has over 100
million registered users.