Thursday, 1 May 2014

Abacus to Quantum

 HISTORY OF COMPUTER;
                                    First of all I will show the history of counting tools in iamges:








Chinese and Japanese Abacus





Antikythera Mechanism


Pascaline or Pascal's Calculator

The Stepped Reckoner

Charles Xavier Calculator

Punched Card System

 


Charles Babbage Analytical Engine





Hand Cranked Calculator Curta

 



Colossus, the British codebreaker computer of WWII




ENIAC – Electronic Numerical Integrator And Computer, the first electronic general-purpose computer

 


Ferranti Pegasus 1 (1956) and Pegasus 2 (1959)

 

The world's first stored-program computer, the Manchester Small-Scale Experimental Machine (SSEM) or Baby

 


 

 

The first computer to play digital music, the CSIRAC





IBM 702 the first computer to use magnetic tapes






















To know more about History of Computing devices click here IO9