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Computer programming in the punched card era
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<p>From the invention of computer <a href="/facts/Programming_language/cWTYbgWa">programming languages</a> up to the mid-1970s, most <a href="/facts/Computer_programmer/WGTS1Jv9">computer programmers</a> created, edited and stored their <a href="/facts/Computer_program/e38jH9N9">programs</a> line by line on <a href="/facts/Punch_card/44WsPulQ">punch cards</a>. </p>