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A computer punch card with closely spaced rows of holes punched out, covering nearly the entire surface.

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https://files.mastodon.social/media_attachments/files/110/262/303/064/999/219/original/a98341d09b4706ef.jpeg

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  1. Embed this notice
    Deb Chachra (debcha@mastodon.social)'s status on Wednesday, 26-Apr-2023 10:14:58 JST Deb Chachra Deb Chachra

    TIL: lace cards

    It’s a computer punch card with every possible spot punched out, so what remains is a flimsy filamentous net of paper that instantly tears and jams up the card reader.

    Old-school denial of service attack.

    https://en.m.wikipedia.org/wiki/Lace_card

    In conversation Wednesday, 26-Apr-2023 10:14:58 JST from mastodon.social permalink
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GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.