Milestones in Computer Development

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Milestones in Computer Development Fall 2007
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Milestones in Computer Development

• 2000 B.C. Abacus first used in computation

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Milestones in Computer Development

• 2000 B.C. Abacus first used in computation

Medieval abacuses
(images are from http//www.ee.ryerson.ca/elf/aba
cus/history)
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Milestones in Computer Development

• 2000 B.C. Abacus first used in computation

Modern abacuses
(images are from http//www.ee.ryerson.ca/elf/aba
cus/history)
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Milestones in Computer Development

• 1642 A.D. Blaise Pascal (French) creates a
  mechanical adding machine -- the Pascalene --
  for tax computations

(image is from http//www.webcom.com/calc/CalcMach
.html)
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Milestones in Computer Development

• 1671 A.D. Gottfried von Leibniz (German)
  creates a more reliable adding machine that adds,
  subtracts, multiplies, divides, and calculates
  square roots -- the "Staffelwalze"

(image is from http//www.fmeurope.org)
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Milestones in Computer Development

• 1842 A.D. Charles Babbage designs analytical
  engine to perform calculations automatically
  Ada, countess of Lovelace, programs this machine

(image is from http//www.ashfield-dc.gov.uk)
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Milestones in Computer Development

• 1890 A.D. Herman Hollerith designs census
  recording system that uses punched cards starts
  a company that later becomes IBM

(image is from http//www.ausbcomp.com/bbott)
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Milestones in Computer Development

• 1939 A.D. John Atanasoff designs and builds
  first electronic digital computer (w/ graduate
  student Clifford Berry) called the ABC

(image is from http//www.iastate.edu)
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Milestones in Computer Development

• 1946 A.D. J. Presper Eckert and John Mauchly
  design and build the ENIAC considered the first
  modern computer, used vacuum tubes

(image is from http//www.zianet.com/kromeke/pastc
omp)
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Milestones in Computer Development

• 1946 A.D. John von Neumann proposes stored
  program architecture that bears his name

(image is from http//home.swipnet.se/w-27237)
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Milestones in Computer Development

• 1951 A.D. Eckert Mauchly build the first
  general-purpose computer, the UNIVAC I

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Milestones in Computer Development

• 1957 A.D. John Backus and his IBM team complete
  the first compiler (Fortran)

PROGRAM TEST INTEGER N N N 1
PRINT , N STOP END
(image is from http//www.kcl.ac.uk/kis/support/ci
t/fortran/photos)
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Milestones in Computer Development

• 1958 IBM introduces the 7090 series, first to
  use transistors

(image is from http//www.redstone.army.mil/histor
y/archives)
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Milestones in Computer Development

• 1964 A.D. IBM announces the 360, first to use
  integrated circuitry (IC)

(image is from http//www.ac.wwu.edu/stephan/Book
/chap5)
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Milestones in Computer Development

• 1972 A.D. Dennis Ritchie at Bell Labs develops
  the C Programming Language precursor of Java

(image is from livinginternet.com )
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Milestones in Computer Development

• 1975 A.D. The Altair, the first microcomputer,
  is introduced

(image is from http//www.digicamhistory.com)
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Milestones in Computer Development

• 1976 A.D. DEC introduces its popular
  minicomputer, the VAX 11/780

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Milestones in Computer Development

• 1977 A.D. Steve Wozniak and Steve Jobs release
  the Apple I on April Fools Day, and found Apple
  Computers

(image is from http//apple2history.org/museum/ima
ges)
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Milestones in Computer Development

• 1981 A.D. IBM introduces its own PC

(images are from http//www.pattosoft.com.au/ja
son/Articles/HistoryOfComputers)
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Milestones in Computer Development

• 1985 A.D. Bjarne Stroustrup at Bell Labs
  develops the C Programming Language the
  Object-Oriented extension of C precursor of Java

(image is from http//www.hitmill.com/programming/
cpp)
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Milestones in Computer Development

• 1991 A.D. The internet is commercialized

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Milestones in Computer Development

• 1995 A.D. Sun releases Java 1.0
  object-oriented programming takes off