Ex1+T1+Question+3

3. Mention at least 8 things that happened during the computer pre-history period mentioned in class. Explain why they are considered important enough to be in such timeline. The devolopment of the abacus was the first considered counting machine, then a system for counting was developed that consisted all in a table handwritten, the first calculator that used chips to count.The box used to count till thousands using a turn system with rotors, every rotor had from 0 to 9, and it was used to keep a count. Their was this machine that elaborate codes in pages like typing for programing. This inventions for small that they may seem are still important why? well because evrything has to have a start, withot this inventions the computer may have never been invented, this inventions made people ,(inventors) want to create new things inventions that made you life (or calculous) easier :D the n the development of big vacumm tubes that could mantain energy for big storage computers, the problem was that they needed at least 19,000 tubes for the computer to work.Later the transistors that were used to replace the vacum tubes