HISTORY OF HISTORY OF HISTORY OF HISTORY OF COMPUTERS COMPUTERS COMPUTERS COMPUTERS
Mar 07, 2016
HISTORY OF HISTORY OF HISTORY OF HISTORY OF
COMPUTERSCOMPUTERSCOMPUTERSCOMPUTERS
THE ABACUS (THE ABACUS (THE ABACUS (THE ABACUS (2400 B.C.)
The AbacusThe AbacusThe AbacusThe Abacus was invented by the Babylonians for arithmetic was invented by the Babylonians for arithmetic was invented by the Babylonians for arithmetic was invented by the Babylonians for arithmetic
processesprocessesprocessesprocesses
Blaise Pascal
1623162316231623----1662166216621662
A French Mathematician invented the first Mechanical A French Mathematician invented the first Mechanical A French Mathematician invented the first Mechanical A French Mathematician invented the first Mechanical
Calculator. It performed Addition and Calculator. It performed Addition and Calculator. It performed Addition and Calculator. It performed Addition and Subtractions.Subtractions.Subtractions.Subtractions.
1646-1716
Gottfried W. LeibnitzGottfried W. LeibnitzGottfried W. LeibnitzGottfried W. Leibnitz
A German MathematicianA German MathematicianA German MathematicianA German Mathematician
He built the first calculator to He built the first calculator to He built the first calculator to He built the first calculator to do Multiplication and Division. do Multiplication and Division. do Multiplication and Division. do Multiplication and Division.
It was not reliableIt was not reliableIt was not reliableIt was not reliable....
Charles BabbageCharles BabbageCharles BabbageCharles Babbage
AAAA professor of Mathematics. In 1830 he presented his Analytical professor of Mathematics. In 1830 he presented his Analytical professor of Mathematics. In 1830 he presented his Analytical professor of Mathematics. In 1830 he presented his Analytical
Engine,technically the first computer,although it was never builtEngine,technically the first computer,although it was never builtEngine,technically the first computer,although it was never builtEngine,technically the first computer,although it was never built.He .He .He .He
invented the Concept of a programmable computer in 1856.invented the Concept of a programmable computer in 1856.invented the Concept of a programmable computer in 1856.invented the Concept of a programmable computer in 1856.
First Shift Key TypewriterFirst Shift Key TypewriterFirst Shift Key TypewriterFirst Shift Key Typewriter
(1878)(1878)(1878)(1878)
William S.Burroughs
An American introduced the first commercially successful An American introduced the first commercially successful An American introduced the first commercially successful An American introduced the first commercially successful
MechanicMechanicMechanicMechanical Adding Machineal Adding Machineal Adding Machineal Adding Machine
Herman HollerithHerman HollerithHerman HollerithHerman Hollerith
An American Statistician who developed a Mechanical An American Statistician who developed a Mechanical An American Statistician who developed a Mechanical An American Statistician who developed a Mechanical
Tabulator based on Punched Cards to rapidly tabulate Tabulator based on Punched Cards to rapidly tabulate Tabulator based on Punched Cards to rapidly tabulate Tabulator based on Punched Cards to rapidly tabulate
statistics from million of pieces of data.statistics from million of pieces of data.statistics from million of pieces of data.statistics from million of pieces of data.
He founded the He founded the He founded the He founded the IIIInternational nternational nternational nternational BBBBusiness usiness usiness usiness MMMMachines (IBM)achines (IBM)achines (IBM)achines (IBM)
1900190019001900John John John John Ambrose FlemingAmbrose FlemingAmbrose FlemingAmbrose Fleming
He invents Vacuum TubeHe invents Vacuum TubeHe invents Vacuum TubeHe invents Vacuum Tube
1937193719371937
Stibitz´s Complex number CalculatorStibitz´s Complex number CalculatorStibitz´s Complex number CalculatorStibitz´s Complex number Calculator
1940194019401940
Konrand ZuseKonrand ZuseKonrand ZuseKonrand Zuse
First Example of remote computingFirst Example of remote computingFirst Example of remote computingFirst Example of remote computing
1943194319431943
Colossus machine was built by Dr.FlowersColossus machine was built by Dr.FlowersColossus machine was built by Dr.FlowersColossus machine was built by Dr.Flowers and was used to and was used to and was used to and was used to
decipher the Gdecipher the Gdecipher the Gdecipher the German “Enigma” code durind the Second erman “Enigma” code durind the Second erman “Enigma” code durind the Second erman “Enigma” code durind the Second
World WarWorld WarWorld WarWorld War....
1941941941945555
First Computing BugFirst Computing BugFirst Computing BugFirst Computing Bug
1946194619461946
Eckert and MauchlyEckert and MauchlyEckert and MauchlyEckert and Mauchly
They designed and built the ENIACThey designed and built the ENIACThey designed and built the ENIACThey designed and built the ENIAC (Electronic Numerical (Electronic Numerical (Electronic Numerical (Electronic Numerical
Integrator And Computer)Integrator And Computer)Integrator And Computer)Integrator And Computer)
for Military computations. for Military computations. for Military computations. for Military computations. This hugeThis hugeThis hugeThis huge roomroomroomroom----sized computer,sized computer,sized computer,sized computer, was was was was
1010101000 times faster than the Mark I and the first general00 times faster than the Mark I and the first general00 times faster than the Mark I and the first general00 times faster than the Mark I and the first general----
purpose purpose purpose purpose
1903190319031903----1995199519951995
John Vincent AtanasoffJohn Vincent AtanasoffJohn Vincent AtanasoffJohn Vincent Atanasoff
An American Scientist.He is the inventor of the first An American Scientist.He is the inventor of the first An American Scientist.He is the inventor of the first An American Scientist.He is the inventor of the first
automatic electronic digital computerautomatic electronic digital computerautomatic electronic digital computerautomatic electronic digital computer....
1900190019001900----1973197319731973
Howard Howard Howard Howard Hathaway AikenHathaway AikenHathaway AikenHathaway Aiken
An American professor.An American professor.An American professor.An American professor. He built the He built the He built the He built the Harvard Mark I Harvard Mark I Harvard Mark I Harvard Mark I
ComputerComputerComputerComputer in 1949in 1949in 1949in 1949
1948194819481948----51515151
First Commercial computerFirst Commercial computerFirst Commercial computerFirst Commercial computer
UNIVACUNIVACUNIVACUNIVAC
1958195819581958
FirstFirstFirstFirst Integrated circuitIntegrated circuitIntegrated circuitIntegrated circuit
1963
MITS LINC computerMITS LINC computerMITS LINC computerMITS LINC computer
1971
Intel produced the fIntel produced the fIntel produced the fIntel produced the first irst irst irst commercial commercial commercial commercial microprocessormicroprocessormicroprocessormicroprocessor called called called called the the the the
4040404040404040 and was the forerunner of the Pand was the forerunner of the Pand was the forerunner of the Pand was the forerunner of the Pentiumentiumentiumentium....
1975
Bill Gates/Paul Allen began MicrosoftBill Gates/Paul Allen began MicrosoftBill Gates/Paul Allen began MicrosoftBill Gates/Paul Allen began Microsoft
They changed the course of the They changed the course of the They changed the course of the They changed the course of the curse of the history of curse of the history of curse of the history of curse of the history of
computers by starting the company Microsoftcomputers by starting the company Microsoftcomputers by starting the company Microsoftcomputers by starting the company Microsoft....
1976
APPLE Microcomputer came outAPPLE Microcomputer came outAPPLE Microcomputer came outAPPLE Microcomputer came out....
1981198119811981
First IBM PCFirst IBM PCFirst IBM PCFirst IBM PC
1984198419841984
Apple Macintosh introducedApple Macintosh introducedApple Macintosh introducedApple Macintosh introduced
1990199019901990
Microsoft Word released with Windows 3Microsoft Word released with Windows 3Microsoft Word released with Windows 3Microsoft Word released with Windows 3
1990´s1990´s1990´s1990´s
Virtual Reality Systems developedVirtual Reality Systems developedVirtual Reality Systems developedVirtual Reality Systems developed
1993199319931993
Intel Pentium Processor introducedIntel Pentium Processor introducedIntel Pentium Processor introducedIntel Pentium Processor introduced
1990´s1990´s1990´s1990´s
World Wide Web started a computer boomWorld Wide Web started a computer boomWorld Wide Web started a computer boomWorld Wide Web started a computer boom