History of computers - Ancient

<ul><li> 1. History of Computers:Part 1. Ancient Computers<br />Damian Gordon<br /></li></ul> <p> 2. Ishango bone<br />~20,000BC<br /></p> <ul><li>Might be an early example of a Tally Stick. </li></ul> <p> 3. An ancient memory aid device to record and document numbers, quantities, or even messages. 4. Historical reference is made by 5. Pliny the Elder (23-79AD) about the best wood to use for tallies 6. Marco Polo (12541324) who mentions the use of the tally in China.</p>