23-08-2012, 07:08 AM
HISTORY OF COMPUTER:
pascal was manged to built a calculator it must do addition ,substraction, multiplication ,divison they are called as stepped reckon er
![[Image: SteppedReckoner.gif]](http://www.computersciencelab.com/ComputerHistory/HtmlHelp/Images2/SteppedReckoner.gif)
PUNCHED CARDS: JACQUARD INVENTED PUNCHED cards they are made up of wooden cards
![[Image: JacquardLoom.jpg]](http://www.computersciencelab.com/ComputerHistory/HtmlHelp/Images2/JacquardLoom.jpg)
CHARLES BABBAGE :
Charles babbage used to invented calculating machine in room size called as difference engine ,the machines are used to compute for numbers, logarithms
![[Image: DifferenceEngine.jpg]](http://www.computersciencelab.com/ComputerHistory/HtmlHelp/Images2/DifferenceEngine.jpg)
pascal was manged to built a calculator it must do addition ,substraction, multiplication ,divison they are called as stepped reckon er
PUNCHED CARDS: JACQUARD INVENTED PUNCHED cards they are made up of wooden cards
CHARLES BABBAGE :
Charles babbage used to invented calculating machine in room size called as difference engine ,the machines are used to compute for numbers, logarithms