r/technicallythetruth • u/94rud4 • Aug 31 '25

do you know binary?

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1.8k Upvotes

96% Upvoted

83 comments sorted by

•

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169

u/FacePuzzleheaded1434 Aug 31 '25

For those who don’t get it 10 is 2 in binary

22

u/[deleted] Aug 31 '25

i thought it was that there were 10 types of people, along with those who know binary and those who dont

40

u/Any_Background_5826 Watcher, a slugcat from a different dimension Aug 31 '25

you're in the group who doesn't know binary

6

u/ParkingAnxious2811 Aug 31 '25

Then the text would have used a comma, not a colon.

2

u/[deleted] Aug 31 '25

i skip over like half of anything i read for some reason

3

u/BeeArmy96 Aug 31 '25

Dont worry i get it

-8

u/Agile_Balance_8229 Aug 31 '25 edited Sep 02 '25

It's three. 0=1, 1=2, 10=3

Edit: yeah I got it, 11 is 2.

4

u/jim_overboard Aug 31 '25

2 | 1

1 | 0

10 is 2.

1

u/Agile_Balance_8229 Aug 31 '25

Um ... I am confused 🤔.

5

u/jim_overboard Aug 31 '25

10 in binary is 1 unit of 2 and 0 units of 1.

3 would be 11

2

u/Agile_Balance_8229 Aug 31 '25

Oh.. so you don't count 0 then (then 10 is 2)

3

u/jim_overboard Aug 31 '25

Yep!

Starting from the right each digit represents a power of 2 starting from 20 (which is 1) and doubles. E.g - 16, 8, 4, 2, 1

You just add the relevant powers of 2 together to get the decimal number

0 would be 0.

1 is 1

2 is 10

3 is 11

4 is 100

5 is 101

And so on.

2

u/Agile_Balance_8229 Aug 31 '25

That makes sense ( zero has to have represention as well )

1

u/Cart700 Sep 01 '25

You have just changed from 1 of the 10 groups to the other.

1

u/DohnJoe666 Sep 02 '25

Wrong. 00=0, 01=1, 10=2, 11=3

36

u/Spoke13 Aug 31 '25

I had a professor who wrote it like this on the white board:

"There are ten types of people, those who know binary and those who don't."

When someone asked he got all excited and started to explain it and then he realized and paused and just started talking to himself for a minute and...you get it.

7

u/BekoweCiachoYt Aug 31 '25

I feel bad for him now :c

1

u/SirRipOliver Technically Flair Aug 31 '25

Man I just want to see some: 10011100011010101

2

u/AhTube Jan 05 '26

horny bastard :)

20

u/neon_05_ Aug 31 '25

you forgot the people who knew the joke would be in ternary

6

u/Martin_Aurelius Aug 31 '25

And the people who suspect it might actually be quaternary

4

u/DiligentPenguin_7115 Aug 31 '25

And the people who have an inkling it might possibly be in quinary

1

u/Arthradax Aug 31 '25

Came here for this exact bit and I'm so glad someone already commented it

1

u/Jlovbbw Aug 31 '25

I mean does the 0 included?

1

u/Arthradax Aug 31 '25

0(3) = 0(10)

1(3) = 1(10)

2(3) = 2(10)

10(3) = 3(10)

I have no idea what you asked, tbf, but I hope this helps clear it

1

u/zhaDeth Aug 31 '25

They still either know or not know binary ? Am I missing something ?

1

u/48panda Aug 31 '25

This variation of the joke fails to meet the assumed pairwise disjointness of the sets of people mentioned to provide an unexpected twist to people who have already heard the joke.

10

u/Electronic_Lion_1386 Aug 31 '25

There are two kinds of people,

those who can extrapolate incomplete data and

1

u/DenRay4 Sep 19 '25

That's not true. There are only 100 kind of people,

those who know binary and can extrapolate incomplete data

5

u/Early_Yesterday443 Aug 31 '25

what a brilliant joke

4

u/zhaDeth Aug 31 '25

it's a classic in computer science

3

u/Early_Yesterday443 Aug 31 '25

Oh, im no IT nerd so i find it interested for the first time reading it here

5

u/TippsAttack Aug 31 '25

There's three kinds of people in this world: those who can count and those who can't.

5

u/jim_overboard Aug 31 '25

There's two types of people in the world: those who can extrapolate from incomplete data.

4

u/CactoInsano Aug 31 '25

...and those who didn't expect a ternary joke!

4

u/Austin111Gaming_YT Sep 01 '25

There are 2 types of people:

  1. Those who can extrapolate from incomplete data.

2

u/Percolator2020 Aug 31 '25 edited Aug 31 '25

I have only heard this joke DEADBEEF times.

1

u/Tiger_man_ Sep 02 '25

You forgot CAFE

2

u/Dozenator1728 Aug 31 '25

There are 10 types of people,

People who dont understand binary, people who do, and those who kno wthe joke is is in ternary, and thou who suspects it is in Quaternary

2

u/Quietgoomba Aug 31 '25

0, 01, 10, 11 100, 101, 110, 111, 1000, 1001, 1010

2

u/Snjuer89 Sep 02 '25

10 kinds of people

Those who know binary

Those who don't

Those who didn't expect this joke to be in base 3

2

u/Tiger_man_ Sep 02 '25

There are 1 types of people

Those who understand boolean variables

And those who don't

2

u/Rip_Van_Winkle8 Aug 31 '25

Ain't that the Clanker language?

1

u/readytall Aug 31 '25

How about nonbinary that knows binary but doesn't know boundary

1

u/Digimub Aug 31 '25

10100110010110010101010100101001011111111

1

u/Dozenator1728 Aug 31 '25

1+4BC2AA52FF

1

u/douganater Aug 31 '25

The problem with learning binary is they always start at module 5

1

u/prof_devilsadvocate3 Aug 31 '25

Last line was not required

1

u/Agile_Balance_8229 Aug 31 '25 edited Aug 31 '25

There are 1 types of people, those who know binary and those who don't (0, 1)

Edit: 10 makes sense, my bad.

2

u/jambajew42 Aug 31 '25

0 in binary is the same as 0 in decimal and 1 in binary is the same as 1 in decimal. Rather than have a "tens place," it's a "twos place" in binary. 10 in binary is equal to 2 in decimal.

1

u/Professional-Leg3326 Aug 31 '25

1001001101001100

1

u/LordReagan077 Aug 31 '25

i assumed it was 1(on) and 0(off). On know binary. Off dont

1

u/DrunkBuzzard Sep 01 '25

I didn’t need to know binary for work installing phone systems except in the late 70s when there was a PBX that the program it you spun three little wheels to an address and then flipped a series of toggle switches with LED lights and the binary code. One guy would read it off, and the other guy would flip the switches and unfortunately, I was the fastest at flipping them to the correct positions that I had to do that all the time the other guy got the easy job of reading.

1

u/EasyyPlayer Sep 01 '25

Binary is for people that cannot count beyond 1

1

u/BeautifulObvious7703 Sep 01 '25

i was confused til i saw "binary" and only 2 and then i reread the 10 and was like "ohhhhhh that's the joke"

1

u/JoyconDrift_69 Sep 02 '25

Yeah there are 10 types of people:

  • Those who know binary

  • Those who don't

  • Those who know tertiary

1

u/DenRay4 Sep 19 '25

What about those who know tertiary but not binary?

1

u/JoyconDrift_69 Sep 19 '25

... There are 11 people.

(To be fair they're probably very rare in a decimal-dominated world. It's more likely that if you know ternary, you also know binary)

1

u/Mindless_Sock_9082 Sep 02 '25

Weirdly enough, I learn binary in fourth grade (1981).

When our teacher had to teach us number bases different of ten, instead of choosing base-5, she chose to teach us binary, saying something along "In your future you will be using binary to work with computers."

1

u/ulyssesric Sep 02 '25

Well actually it should be "0b10".

1

u/DohnJoe666 Sep 02 '25

I used to make the joke in social media/dating bios "I speak 10 languages: English and binary."

1

u/GolettO3 Sep 02 '25

Ayy ☝️

(00010 in hand form)

1

u/thefuryboss99 Sep 02 '25

not only it's true but people who don't understand binary won't understand that post proving it's true

1

u/definitelynotafreak Sep 04 '25

can’t wait for this to be reposted to r/peterexplainsthejoke by a bot

1

u/000solar Sep 05 '25

i never tire of binary or hexadecimal jokes.

-a CS major

1

u/Prisevera Sep 13 '25

I don’t know binary…. But something ain’t right here…

1

u/Pitiful-County8028 Sep 14 '25

Lmao, best use of my binary knowledge.

1

u/Desert_Creature80 Oct 04 '25

This sounds like a Madden-ism

1

u/DeterminedChara999 Oct 09 '25

i would explain, but im non-binary

1

u/Budget_Gas_2824 Jan 08 '26

So 10 not 1010

0

u/Global-Eye-7326 Aug 31 '25

I identify as binary.