HISTORY OF COMPUTERS 

        

History Of Computers

Abacus

ABACUS:- 

It was an early calculating device which used beads moving on strings.it used the idea of place value and counting in groups. A bead stands for one' ten or one hundred' etc. depending upon the row it is in.

SLIDE RULE:-

SLIDE RULE

The slide rule was invented in early seventeenth century and was used to do multiplication and division

DIFFERENCE ENGINE:-

It was developed by Charles Babbage who is known as the father of computer

Charles Babbage

NAPIER'S BONES:-

.John Napier developed a calculating device called Napier's bones used for multiplication.

NAPIER'S Bones

PASCALINE & BLAISE PASCAL:-

PASCALINE

Blaise Pascal

This machine was developed by Blaise Pascal' a French Mathematician. it was the world's first machine.

HOLLERITH MACHINE:-

Hollerith Machine

Herman Hollerith' developed an Electromechanical machine that could read Pounched cards as input.