can electronics completely change the components used at the past?

electronics - pcb
April 13, 2007 8:54am CST
electronics is a field where there is always an advancement time to time. at the first we used vacuum tubes to be the best electronic component. but as the years went on there came the transistors and the diodes to replace these vacuum tubes. advancement must always be there in all the fields. but is this advancement is solely in dependent,that is, is this advancement does take the idea of its design of the new component from the past components. just comment on this topic.
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