Computer generation types​

First generation1940s-1950sVacuum tube based

Second generation1950s-1960sTransistor based

Third generation1960s-1970sIntegrated circuit based

Fourth generation1970s-presentMicroprocessor based

Fifth generationThe present and the futureArtificial intelligence based

first second third and forth generation computers

try a gofundme or ask your family for money slowly and slowly then save it or do trades on craigslist. that's all i know