http://fileformats.archiveteam.org/index.php?title=Punched_card&feed=atom&action=historyPunched card - Revision history2024-03-28T16:17:56ZRevision history for this page on the wikiMediaWiki 1.19.2http://fileformats.archiveteam.org/index.php?title=Punched_card&diff=35179&oldid=prevBsdphk at 22:27, 27 March 20202020-03-27T22:27:00Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>While punchcards are most associated with the "big-iron" mainframe computers of the 1950s through 1970s, they have a 200-year history of use for many applications, from the [[Jacquard Loom]] of 1801 to the "hanging chads" of the 2000 US presidential [[Votomatic card|election]]. In between they were proposed for use in Babbage's never-finished Analytic Engine and used by Hollerith for data-tabulation for the 1890 US Census.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>While punchcards are most associated with the "big-iron" mainframe computers of the 1950s through 1970s, they have a 200-year history of use for many applications, from the [[Jacquard Loom]] of 1801 to the "hanging chads" of the 2000 US presidential [[Votomatic card|election]]. In between they were proposed for use in Babbage's never-finished Analytic Engine and used by Hollerith for data-tabulation for the 1890 US Census.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>It should be possible to read most standard punch cards with a sheet-fed scanner (simplex is sufficient) and a simple black/white sensing program.  <del class="diffchange diffchange-inline">No </del>such program <del class="diffchange diffchange-inline">is known to exist yet</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>It should be possible to read most standard punch cards with a sheet-fed scanner (simplex is sufficient) and a simple black/white sensing program.  <ins class="diffchange diffchange-inline">DataMuseum.dk has </ins>such <ins class="diffchange diffchange-inline">a </ins>program<ins class="diffchange diffchange-inline">, aptly named "florida2k" written in python3</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Aperture card]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Aperture card]]</div></td></tr>
</table>Bsdphkhttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=13461&oldid=prevDan Tobias: /* Resources */2013-09-24T00:12:02Z<p><span dir="auto"><span class="autocomment">Resources</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.masswerk.at/google60/ Google60]: Cute web app showing how Google's interface might have been in the 1960s, complete with simulated keypunch</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.masswerk.at/google60/ Google60]: Cute web app showing how Google's interface might have been in the 1960s, complete with simulated keypunch</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.wired.com/wired/archive/7.03/punchcards.html The little secret that haunts corporate America ... A technology that won't go away.]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.wired.com/wired/archive/7.03/punchcards.html The little secret that haunts corporate America ... A technology that won't go away.]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [http://what-if.xkcd.com/63/ If all digital data were stored on punch cards, how big would Google's data warehouse be?]</ins></div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=12891&oldid=prevDan Tobias: /* Resources */2013-08-11T23:37:30Z<p><span dir="auto"><span class="autocomment">Resources</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.quadibloc.com/comp/cardint.htm The Punched Card]: shows details of a number of card formats and character encoding schemes</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.quadibloc.com/comp/cardint.htm The Punched Card]: shows details of a number of card formats and character encoding schemes</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.masswerk.at/google60/ Google60]: Cute web app showing how Google's interface might have been in the 1960s, complete with simulated keypunch</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.masswerk.at/google60/ Google60]: Cute web app showing how Google's interface might have been in the 1960s, complete with simulated keypunch</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [http://www.wired.com/wired/archive/7.03/punchcards.html The little secret that haunts corporate America ... A technology that won't go away.]</ins></div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=7839&oldid=prevDan Tobias: /* Resources */2012-12-14T13:31:44Z<p><span dir="auto"><span class="autocomment">Resources</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://homepage.cs.uiowa.edu/~jones/cards/ The Douglas W. Jones Punched Card Page]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://homepage.cs.uiowa.edu/~jones/cards/ The Douglas W. Jones Punched Card Page]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [http://www.quadibloc.com/comp/cardint.htm The Punched Card]: shows details of a number of card formats and character encoding schemes</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.masswerk.at/google60/ Google60]: Cute web app showing how Google's interface might have been in the 1960s, complete with simulated keypunch</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.masswerk.at/google60/ Google60]: Cute web app showing how Google's interface might have been in the 1960s, complete with simulated keypunch</div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=7837&oldid=prevDan Tobias at 05:13, 14 December 20122012-12-14T05:13:40Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Aperture card]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Aperture card]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Hollerith card]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Hollerith card]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[IBM card]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[IBM card]] <ins class="diffchange diffchange-inline">(original 80-column version)</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>** [[IBM stub card]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>** [[IBM stub card]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">** [[IBM 96-column card]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Jacquard Loom]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Jacquard Loom]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Korsakov card]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Korsakov card]]</div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=7820&oldid=prevDan Tobias: /* Resources */2012-12-14T00:58:37Z<p><span dir="auto"><span class="autocomment">Resources</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://homepage.cs.uiowa.edu/~jones/cards/ The Douglas W. Jones Punched Card Page]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://homepage.cs.uiowa.edu/~jones/cards/ The Douglas W. Jones Punched Card Page]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [http://www.masswerk.at/google60/ Google60]: Cute web app showing how Google's interface might have been in the 1960s, complete with simulated keypunch</ins></div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=7599&oldid=prevDan Tobias at 19:26, 9 December 20122012-12-09T19:26:28Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Punched cards''', or punchcards, were for many years the major method of providing input to computers. Programs in [[FORTRAN]] or [[COBOL]] or [[RPG]] were punched onto decks of cards (one card per program line) on keypunch machines and handed in to be run in batch-processing mode on the computer, which was too massive and expensive to be made available to individuals other than through the mediation of system operators who eventually handed back the output in printed form. Often the function of the programs was to churn through large amounts of data to do number-crunching or other operations on it; this data might also be provided on punchcards (though [[magnetic tape]] and paper [[punched tape]] were also used). Punchcards could also be found in all sorts of other places, including in the cards you sent back with bill payments (which bore the infamous exhortation, "Do not fold, spindle, or mutilate").</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Punched cards''', or punchcards, were for many years the major method of providing input to computers. Programs in [[FORTRAN]] or [[COBOL]] or [[RPG]] were punched onto decks of cards (one card per program line) on keypunch machines and handed in to be run in batch-processing mode on the computer, which was too massive and expensive to be made available to individuals other than through the mediation of system operators who eventually handed back the output in printed form. Often the function of the programs was to churn through large amounts of data to do number-crunching or other operations on it; this data might also be provided on punchcards (though [[magnetic tape]] and paper [[punched tape]] were also used). Punchcards could also be found in all sorts of other places, including in the cards you sent back with bill payments (which bore the infamous exhortation, "Do not fold, spindle, or mutilate").</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>While punchcards are most associated with the "big-iron" mainframe computers of the 1950s through 1970s, they have a 200-year history of use for many applications, from the [[Jacquard Loom]] of 1801 to the "hanging chads" of the 2000 US presidential [[Votomatic <del class="diffchange diffchange-inline">cards</del>|election]]. In between they were proposed for use in Babbage's never-finished Analytic Engine and used by Hollerith for data-tabulation for the 1890 US Census.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>While punchcards are most associated with the "big-iron" mainframe computers of the 1950s through 1970s, they have a 200-year history of use for many applications, from the [[Jacquard Loom]] of 1801 to the "hanging chads" of the 2000 US presidential [[Votomatic <ins class="diffchange diffchange-inline">card</ins>|election]]. In between they were proposed for use in Babbage's never-finished Analytic Engine and used by Hollerith for data-tabulation for the 1890 US Census.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>It should be possible to read most standard punch cards with a sheet-fed scanner (simplex is sufficient) and a simple black/white sensing program.  No such program is known to exist yet.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>It should be possible to read most standard punch cards with a sheet-fed scanner (simplex is sufficient) and a simple black/white sensing program.  No such program is known to exist yet.</div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=7598&oldid=prevDan Tobias at 19:25, 9 December 20122012-12-09T19:25:48Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Punched cards''', or punchcards, were for many years the major method of providing input to computers. Programs in [[FORTRAN]] or [[COBOL]] or [[RPG]] were punched onto decks of cards (one card per program line) on keypunch machines and handed in to be run in batch-processing mode on the computer, which was too massive and expensive to be made available to individuals other than through the mediation of system operators who eventually handed back the output in printed form. Often the function of the programs was to churn through large amounts of data to do number-crunching or other operations on it; this data might also be provided on punchcards (though [[magnetic tape]] and paper [[punched tape]] were also used). Punchcards could also be found in all sorts of other places, including in the cards you sent back with bill payments (which bore the infamous exhortation, "Do not fold, spindle, or mutilate").</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''Punched cards''', or punchcards, were for many years the major method of providing input to computers. Programs in [[FORTRAN]] or [[COBOL]] or [[RPG]] were punched onto decks of cards (one card per program line) on keypunch machines and handed in to be run in batch-processing mode on the computer, which was too massive and expensive to be made available to individuals other than through the mediation of system operators who eventually handed back the output in printed form. Often the function of the programs was to churn through large amounts of data to do number-crunching or other operations on it; this data might also be provided on punchcards (though [[magnetic tape]] and paper [[punched tape]] were also used). Punchcards could also be found in all sorts of other places, including in the cards you sent back with bill payments (which bore the infamous exhortation, "Do not fold, spindle, or mutilate").</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">Punchcards actually predated </del>the <del class="diffchange diffchange-inline">computer, however</del>, <del class="diffchange diffchange-inline">being introduced as </del>a <del class="diffchange diffchange-inline">control mechanism </del>for <del class="diffchange diffchange-inline">looms (see </del>[[Jacquard Loom]]<del class="diffchange diffchange-inline">) </del>and <del class="diffchange diffchange-inline">later adapted </del>by Hollerith for data-tabulation for the 1890 US Census.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">While punchcards are most associated with </ins>the <ins class="diffchange diffchange-inline">"big-iron" mainframe computers of the 1950s through 1970s</ins>, <ins class="diffchange diffchange-inline">they have </ins>a <ins class="diffchange diffchange-inline">200-year history of use </ins>for <ins class="diffchange diffchange-inline">many applications, from the </ins>[[Jacquard Loom]] <ins class="diffchange diffchange-inline">of 1801 to the "hanging chads" of the 2000 US presidential [[Votomatic cards|election]]. In between they were proposed for use in Babbage's never-finished Analytic Engine </ins>and <ins class="diffchange diffchange-inline">used </ins>by Hollerith for data-tabulation for the 1890 US Census.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>It should be possible to read most standard punch cards with a sheet-fed scanner (simplex is sufficient) and a simple black/white sensing program.  No such program is known to exist yet.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>It should be possible to read most standard punch cards with a sheet-fed scanner (simplex is sufficient) and a simple black/white sensing program.  No such program is known to exist yet.</div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=7590&oldid=prevDan Tobias at 15:44, 9 December 20122012-12-09T15:44:11Z<p></p>
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</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=Punched_card&diff=7583&oldid=prevDan Tobias at 14:15, 9 December 20122012-12-09T14:15:11Z<p></p>
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<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 14:15, 9 December 2012</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Mark Sense card]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Mark Sense card]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[UNIVAC 90-column card]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[UNIVAC 90-column card]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Votomatic card]] (used in election ballots)</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Resources ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Resources ==</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://homepage.cs.uiowa.edu/~jones/cards/ The Douglas W. Jones Punched Card Page]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://homepage.cs.uiowa.edu/~jones/cards/ The Douglas W. Jones Punched Card Page]</div></td></tr>
</table>Dan Tobias