Sprehod skozi pomembne izume na področju razvoja računalnikov; Bogdanov

Viri:
https://en.wikipedia.org/wiki/Abacus
https://en.wikipedia.org/wiki/Pascal%27s_calculator
https://en.wikipedia.org/wiki/Stepped_reckoner
https://en.wikipedia.org/wiki/Analytical_Engine
https://en.wikipedia.org/wiki/Tabulating_machine
https://en.wikipedia.org/wiki/ENIAC
https://sl.wikipedia.org/wiki/Tranzistor
https://sl.wikipedia.org/wiki/Integrirano_vezje
https://en.wikipedia.org/wiki/Microprocessor
https://en.wikipedia.org/wiki/IBM_Personal_Computer