The U.S. Census famously used punched cards for tabulating the census without anything we’d consider a computer. But in the 1950s, you might have had a punched card machine on your electronics ...

The ubiquity and lasting influence of punch cards continues to be felt in the fact that computer programmers still limit programming line lengths to 80 characters, a practice originally ...

Object Details Description These are some of the punched cards used in the computer solution to the four color proble by Wolfgang Haken and Kenneth Appel. The cards are marked: Computing [/] Services ...

Posted in Retrocomputing Tagged machine, mechanism, paper tape, punch card ← It’s Time You Built A Smart Pocket Watch Mistranslation Of Newton’s First Law Discovered After Nearly 300 Years → ...

IBM Description These two cream-colored eighty-column punch cards have rounded corners and are truncated in the upper right corner. A mark in the center of each cards reads: THE NEW SOUTH WALES (/) ...