Difference & Analytical Engine

 

• This device was made by an English mathematician of Cambridge University. His name was Charles Babbage.

• The components of this device are a complex system of cogs and lever's which is powered by steam.

• its primary purpose is to produce stereotype plates for use in printing presses.

• Difference Engine & Analytical Engine

Difference engine:- As the name says it was a device with infinite differences. It was simoly a method to perform arithmetical calculations.

• The Difference Engine was developed by Charles Babbage in 1822 AD, which was equal to the size of a room.

• The Difference Engine was his first invention and it was powered by a stem.

• The Difference Engine was fully automatic for mathematical calculation

• it was more than a calculator to perform addition.

• it was decimal based machine. i.e. it uses 10 digits 0,1,2,.... 9. in this numbers are representated by wheels. in this each digit has its own wheel. if a wheel comes to rest there would be the jamming of unit means, tehre would be an error. it stops the machine from calculation.

• He obtained government funding for the development of Difference Engine due to the importance of numeric tables in ocean navigation.

• By promoting their commercial and military navies, the British Government had managed to become the earth’s greatest empire.

Analytical Engine

• Charles Babbage also designed another engine in 1833 AD, but unfortunately he was unable to complete it.

• The analytical Engine contained all components as follows.

• The store equivalent to memory.

• The mill equivalent to CPU.

• The input section using punched cards.

• The output section using punched cards.

• And modern computers are based on it. That’s why, for all his contribution, he is known as “father of Computer”.