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HISTORY OF HISTORY OF HISTORY OF HISTORY OF COMPUTERS COMPUTERS COMPUTERS COMPUTERS
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HISTORY OF COMPUTERS

Mar 07, 2016

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Page 1: HISTORY OF COMPUTERS

HISTORY OF HISTORY OF HISTORY OF HISTORY OF

COMPUTERSCOMPUTERSCOMPUTERSCOMPUTERS

Page 2: HISTORY OF COMPUTERS

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.

Page 3: HISTORY OF COMPUTERS

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....

Page 4: HISTORY OF COMPUTERS

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.

Page 5: HISTORY OF COMPUTERS

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

Page 6: HISTORY OF COMPUTERS

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)

Page 7: HISTORY OF COMPUTERS

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

Page 8: HISTORY OF COMPUTERS

1940194019401940

Konrand ZuseKonrand ZuseKonrand ZuseKonrand Zuse

First Example of remote computingFirst Example of remote computingFirst Example of remote computingFirst Example of remote computing

Page 9: HISTORY OF COMPUTERS

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

Page 10: HISTORY OF COMPUTERS

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----

Page 11: HISTORY OF COMPUTERS

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....

Page 12: HISTORY OF COMPUTERS

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

Page 13: HISTORY OF COMPUTERS

1948194819481948----51515151

First Commercial computerFirst Commercial computerFirst Commercial computerFirst Commercial computer

UNIVACUNIVACUNIVACUNIVAC

Page 14: HISTORY OF COMPUTERS

1958195819581958

FirstFirstFirstFirst Integrated circuitIntegrated circuitIntegrated circuitIntegrated circuit

1963

MITS LINC computerMITS LINC computerMITS LINC computerMITS LINC computer

Page 15: HISTORY OF COMPUTERS

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....

Page 16: HISTORY OF COMPUTERS

1976

APPLE Microcomputer came outAPPLE Microcomputer came outAPPLE Microcomputer came outAPPLE Microcomputer came out....

1981198119811981

First IBM PCFirst IBM PCFirst IBM PCFirst IBM PC

Page 17: HISTORY OF COMPUTERS

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

Page 18: HISTORY OF COMPUTERS

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

Page 19: HISTORY OF COMPUTERS

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

Page 20: HISTORY OF COMPUTERS