HISTORY OF COMPUTERS AHSAN 4F
Nov 18, 2014
HISTO
RY OF
COMPUTE
RS
AH
SA
N
4F
SINCE THE EARLISET TIMES PEOPLE USED THEIRFINGERS TO SHOW HOW MANY
THUS THEY COULD TELL THE NUMBER OF ANMALS
ON HUNT. THEY COULD SHOW THE NUMBER OF PEOPLE
THE ABACUS
The abacus was the first calculating machine
It was developed by the Chinese about 5000
Years ago
NAPIER'S BONE
IN 1617, JOHN NAPIER,S MATAHMATICAN FROM
SCOTALAND, INVENTED CALULATINGRODS CALLED
NAPIER,S BONE
PASCAL,S ARTIHMETIC MACHIN
SOME YEARS LATER IN 1642, a youg freanch
Mathamatican named pacals
INSIDE VIEW PACAL,S MACHINE
When a wheel made a complete turn from 1 to 9 ,a small cut
Causd the next to left to move up 1 number
BABAGE ENGINE
The first calculating machine that can be truly
Called acomputer was invented in ing land by
Chares babage in 1835