Wiktionary
precomputer
a. Before the availability of computer technology.
Usage examples of "precomputer".
Joe Cotton is 47, one of the last of the precomputer generation.
With meticulous zeal, Hoover (in those precomputer days) created by hand a massive card index of 150,000 radical leaders, organizations, and publications.
And because it squanders more money that it spends wisely, the government has never had the funds to transfer records of the precomputer era into electronic data banks.