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Respected Sir Jawad Ahmed
History of Computer
Name Roll #
 Hassnain Mumtaz 22
 Riza Ali 25
 Syed Obaid ur Rahman 43
 Ch.Waqar Nizam 41
 The vary first computing device.
 Developed 5000 years ago.
 Perform simple addition & subtraction.
 A Scottish mathematician.
 Created Logarithm tables.
 Created a device (Napier’s Bone).
 Designed in 17th century.
 Used by accountants & Book keepers.
 A French mathematician.
 In 1642 invented mechanical adding machine.
 Pascaline Calculator.
 Could only add & Subtract.
 A German Scientist.
 In 1694 developed a calculating machine.
 Can multiply & divide also.
 More reliable & accurate.
 In 1822, he invented a difference engine.
 In 1842, he developed analytical engine.
 Perform 60 additions per minute.
DIFFERENCE ENGINE ANALYTICAL ENGINE
 Professor at Lowa University.
 Invented an electronic computer.
 Applied Boolean Algebra to computer
circuitry.
 Automatic Sequence Controlled calculator.
 1st fully automatic calculating machine.
 Designed by Howard A.Aiken (Harvard University).
 Very reliable but huge in size.
 Stands for Electronic Numerical Integrator &
Calculator.
 Invented by J.P.Eckert & John Mauchly (1946).
 1st electronic computer.
 Very heavy & large in size.
 Consumed 140 kilo Watts of power.
 Could perform 5000 additions per second.
 Stands for Electronic Discrete Variable
Automatic Calculator.
 Developed by Dr.John Von Neumann.
 Could store instructions & data.
 Stands for Universal Automatic Computer.
 1st successful computer by Eckert & Mauchly.
 1st computer for commercial use.
 Manufactured for both scientific & commercial
applications.
 Contact
0345-0757494
 Email
hassnainmumtaz3256@gmail.com

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Presentation1 131128143136-phpapp02

  • 1.
  • 2.
  • 5. Name Roll #  Hassnain Mumtaz 22  Riza Ali 25  Syed Obaid ur Rahman 43  Ch.Waqar Nizam 41
  • 6.  The vary first computing device.  Developed 5000 years ago.  Perform simple addition & subtraction.
  • 7.
  • 8.  A Scottish mathematician.  Created Logarithm tables.  Created a device (Napier’s Bone).  Designed in 17th century.  Used by accountants & Book keepers.
  • 9.
  • 10.  A French mathematician.  In 1642 invented mechanical adding machine.  Pascaline Calculator.  Could only add & Subtract.
  • 11.
  • 12.  A German Scientist.  In 1694 developed a calculating machine.  Can multiply & divide also.  More reliable & accurate.
  • 13.
  • 14.  In 1822, he invented a difference engine.  In 1842, he developed analytical engine.  Perform 60 additions per minute.
  • 16.  Professor at Lowa University.  Invented an electronic computer.  Applied Boolean Algebra to computer circuitry.
  • 17.  Automatic Sequence Controlled calculator.  1st fully automatic calculating machine.  Designed by Howard A.Aiken (Harvard University).  Very reliable but huge in size.
  • 18.
  • 19.  Stands for Electronic Numerical Integrator & Calculator.  Invented by J.P.Eckert & John Mauchly (1946).  1st electronic computer.  Very heavy & large in size.  Consumed 140 kilo Watts of power.  Could perform 5000 additions per second.
  • 20.
  • 21.  Stands for Electronic Discrete Variable Automatic Calculator.  Developed by Dr.John Von Neumann.  Could store instructions & data.
  • 22.
  • 23.  Stands for Universal Automatic Computer.  1st successful computer by Eckert & Mauchly.  1st computer for commercial use.  Manufactured for both scientific & commercial applications.
  • 24.