3. The Chinese abacus was
developed about 5000 years
ago. It was built out of wood
and beads. It could be held and
carried around easily. The
abacus was so successful that its
use spread form China to many
other countries.
4. The hand without a thumb is
at worst nothing but an
animated spatula and at best
a pair of forceps whose points
don't meet properly - John
Napier.
John Napier was a Scottish
mathematician and inventor.
5. The tabulating machine was an
electromechanical machine designed
to assist in summarizing information
and, later, accounting. Invented by
Herman Hollerith, the machine was
developed to help process data for
the 1890 U.S. Census.
6. The Analytical Engine was a
proposed mechanical general-
purpose computer designed
by English mathematician
Charles Babbage.
It was first described in 1837
as the successor to Babbage's
Difference engine, a design
for a mechanical computer.
7. THE TABULATING MACHINE
The Analytical Engine was a proposed mechanical
general-purpose computer designed by English
mathematician Charles Babbage.
It was first invented in 1837 to do the census.
