Saturday, 13 August 2011

More about Computers

HISTORY OF COMPUTERS
You know that the computer is a fast calculating device. Do you know how the computer was developed? Let us learn about some early  calculating devices.


Abacus
cAbacus is said to be developed in China around 5000 years back.
cIt is a wooden frame with bead strung on wires or rods.
cArthmetic calculations are performed by manipulating the beads.