What's The Longest Word You Can Write With Seven-Segment Displays?

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Published 2018-10-08
That's right, we're kicking Season 2 of the Basics off with a technical episode about a somewhat-obsolete technology! IT'S PARTY TIME. Wait, no, not party time. IT'S CODE TIME. Close enough.

Let's talk about seven-segment displays, and about the longest word you can write with them.

Public domain list of English words: github.com/dwyl/english-words

Thanks to my proofreading team, and to Tomek on camera!

The Cambridge Centre for Computing History: www.computinghistory.org.uk/

BONUS LINK:
Genius regex crossword puzzle: regexcrossword.com/

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All Comments (21)
  • @TomScottGo
    Bonus question: what's the longest word you can spell just by turning a calculator upside-down?
  • @Bacopa68
    I would like it if the display said "Aarrgh" instead of "Error".
  • @LittleWhole
    I love how "a", "aa", and "aaa" are all official English language words
  • @RGC_animation
    I was hoping Tom would show us the word displayed in Seven-Segment Displays.
  • I ran through the linuxwords list and I'm happy to include g - my result was "electroencephalography" which is quite a satisfying answer!
  • @GavConnn
    Tom: I and O are numbers with aspirations S: sweats nervously
  • @jesper3785
    And you blue-ball us by not showing the word written out using a seven-segment displays...
  • @Siferzion
    Tom: "It doesn't matter that the 4 isn't the way most people write it" Me: "They don't?? I do..."
  • @ceruchi2084
    How you gonna do this video and not show "supertranscendentness" on a seven-segment display?!
  • q is out cause it looks like a 9. *five seconds later* S is alright.
  • @Omii_3000
    0:29 Actually, in 1908 when the 7-segmented display was invented, cursive was by far the most common way of writing, and in cursive, the top of the four is separated just like in the 7-segmented display. You can actually look up notes from 1904 and you will all see them in cursive, and every time the year is written by hand (not by a stamp) the 4 is separated at the top. So we haven't "gotten used to it" but instead we have drifted away from using cursive. The more you know! And in case you were wondering, I write the top of my fours separated, and that's what got me down this rabbit hole.
  • @druncle1977
    G is not allowed because it looks like a 9, but S is totally fine even though it's exactly the same as a 5. arbitrary rules are arbitrary.
  • @tahaak
    2:08 as a software developer i can confirm that. The most important skill you need is finding the right stackoverflow post that describes your problem the best.
  • @Shuriken255
    "Programming is not remembering exact words or syntax: it is breaking down a problem, working out how to solve it, and then fixing all the inevitable bugs in your solution." - Tom Scott Sorry, i am amazed by this explanation of what programming is and i think it deserves to be quoted in the future too.
  • @KwanLowe
    Just shouting into the void as this is years on since the video was posted: I was playing with some 7-segment displays recently and had this exact problem as I needed to output words that used the forbidden characters. Technically we could print every character (upper and lowercase and a fair bit of punctuation) if we were "flexible" in how the letters looked. Map each bit to a segment and we could represent every character from 1-128. So if you're ever in a position where you needed to communicate with someone using only 7-segment displays but needed to write "wax kumquat in gauze" then it's perhaps a workable solution.
  • @bwaindead5539
    Fun fact: AARGH is a valid word in Wordle. Go ahead, try it out.
  • @Bladavia
    I love how he's constantly trying to justify and shield himself from elitist programers
  • @maheen-
    In case if you don't know, "Dichlorodiphenyltrichloroethane" is shortly called DDT. The stuff we used to eliminate ants.
  • @deleriousclock
    I’ve only just found this channel and Tom answers questions I was never gonna have but will always be happy as hell to have learned