An abacus
The abacus is considered the first adding machine because it was the first tool that was used to add with. There were not any counting devices until the invention of the abacus in 3000 BC.
An abacus could be considered an early ancestor to the calculator. It was made of wood and had wooden beads that slid on wires and were used to calculate arithmetic problems.
The Chinese abacus
the history about the abacus is that 3000 years ago the chinese invented the abacus. The abacus was made of wood parrelel rod and beads.
The abacus was developed by the Babylonians in 2000 BC. Though mechanical, it is considered to be one of the earliest computers.
yes.! the fractional values will be considered from the right of the unit bar in abacus
An abacus
The abacus is considered the first adding machine because it was the first tool that was used to add with. There were not any counting devices until the invention of the abacus in 3000 BC.
it is the abacus. :D :D :D i got is dummies
An abacus is not a computer system as zero parts of the abacus are electrical. For the abacus to be a computer system, it has to have an input, output and process and store data. If even one of the following is not true then the device will not be considered a computer system. An abacus can not store data, as the human using the abacus will have to memorise the sequences instead of the abacus being able to memorise on its own.
Abacus
An abacus could be considered an early ancestor to the calculator. It was made of wood and had wooden beads that slid on wires and were used to calculate arithmetic problems.
China invented the abacus .
ABACUS
How did the abacus occur?
An Abacus has beads and strings.