this post was submitted on 12 Aug 2025
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Programmer Humor

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[–] Fiivemacs@lemmy.ca 135 points 2 weeks ago* (last edited 2 weeks ago) (18 children)

I raise

edit, actually, it might have been on the back...it's been forever since I touched one

[–] TheRealShadeSlimmy@lemmy.world 41 points 2 weeks ago (7 children)

I’ll see your raise, and up it:

[–] MadMadBunny@lemmy.ca 64 points 2 weeks ago (10 children)
[–] threeonefour@piefed.ca 24 points 2 weeks ago (2 children)

I always see those videos where people give kids a walkman or a rotary phone and ask them to figure out what it is or how it works. I'm imagining some medieval merchant handing me an abacus and laughing because I can't figure it out.

[–] tetris11@lemmy.ml 16 points 2 weeks ago (6 children)

It's little endian, so the beads on the far right are used to outnumber the big endian beads at the top on the woke left. After several computations, the middle section is just gone

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[–] floofloof@lemmy.ca 19 points 2 weeks ago* (last edited 2 weeks ago) (5 children)

My age in fond memories:

Commodore PET/CBM 4032

Acorn Atom

I don't have long for this world...

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[–] JoMiran@lemmy.ml 127 points 2 weeks ago (12 children)

Big keyboard jack, serial for mouse, parallel for printer

[–] josefo@leminal.space 31 points 2 weeks ago (7 children)

Don't forget the serial input for gamepads and joysticks in the dedicated sound board for some reason

[–] BigDanishGuy@sh.itjust.works 35 points 2 weeks ago (5 children)

Except that wasn't a serial port, it was midi, and the reason it was on the sound card was because the input was analog.

Your joystick was just two fancy potentiometers, and your soundcard decoded the voltage on the middle legs into a position.

Soundcards handled joysticks because they had the fastest ADCs.

[–] cmnybo@discuss.tchncs.de 15 points 2 weeks ago (2 children)

They didn't even use an ADC. They used 555 timers to produce a pulse. They measured the length of the pulse to determine the potentiometer position. Since there are 4 analog inputs, they typically used the 558 timer which is the quad version of the 555.

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[–] aliceblossom@lemmy.world 85 points 2 weeks ago (14 children)
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[–] mercano@lemmy.world 63 points 2 weeks ago (2 children)

In my day, the RJ-11 jack was for connecting the keyboard, not the phone line.

The original Macintosh keyboard port

[–] iglou@programming.dev 32 points 2 weeks ago (2 children)

Okay that's something I had no idea about hahaha

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[–] WanderingThoughts@europe.pub 56 points 2 weeks ago (1 children)

The time of the classic "Keyboard missing. Press F1 to continue."

[–] Darkassassin07@lemmy.ca 25 points 2 weeks ago (6 children)

You know that thing that you don't have? You should press buttons on it.

Fuck you computer....

[–] palordrolap@fedia.io 24 points 2 weeks ago

Way back, there were some rare keyboard / motherboard combinations where the motherboard couldn't detect there was a keyboard attached unless a key was pressed on it. That message was for those people with those combinations.

You pressed F1 and the computer would be like "my bad, there is a keyboard there, thanks for your help", or rather it would just shut up and boot.

The message could have been different but it had to fit in a small amount of BIOS ROM, so we got stuck with the one that covered all the bases the best, and unfortunately, most people who saw it didn't actually have a keyboard plugged in, thus, irony.

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[–] LillyPip@lemmy.ca 54 points 2 weeks ago (12 children)

Bitch

please.

(Kidding, you’re not a bitch and this isn’t a contest. But if it was…)

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[–] nocturne@slrpnk.net 46 points 2 weeks ago (6 children)

Fairly certain my first computer used something like this for the keyboard. I did not have a mouse.

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[–] Draegur@lemmy.zip 41 points 1 week ago (5 children)

"do you know what ps/2 ports are?"

"holy cow, PlayStation 2? you must be AT LEAST 25!"

[dying inside intensifies]

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[–] cypherpunks@lemmy.ml 39 points 2 weeks ago (6 children)
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[–] Routhinator@startrek.website 34 points 1 week ago (7 children)
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[–] cupcakezealot@piefed.blahaj.zone 33 points 2 weeks ago (4 children)
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[–] Quexotic@infosec.pub 30 points 1 week ago (6 children)
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[–] HocEnimVeni@lemmy.world 28 points 2 weeks ago (5 children)

Back in my day they weren't color coded.

[–] fartographer@lemmy.world 43 points 2 weeks ago (2 children)

That's because color hadn't been invented yet and therefore people could only see in black and white. That's why old shows don't have color.

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[–] halyihev@lemmy.world 26 points 2 weeks ago (2 children)
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[–] DoucheBagMcSwag@lemmy.dbzer0.com 26 points 2 weeks ago (2 children)

PS/2

No, not the PlayStation.....

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[–] LordCrom@lemmy.world 24 points 2 weeks ago (2 children)

Look at you with your fancy ps/2 keyboard port. Where's my AT port and 9 pin serial mouse.

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[–] Sam_Bass@lemmy.world 23 points 2 weeks ago (2 children)
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[–] lime@feddit.nu 22 points 2 weeks ago* (last edited 2 weeks ago) (3 children)
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[–] YetAnotherMe@lemmy.world 20 points 2 weeks ago (4 children)

if I remember correctly my first PC had the bigger DIN connector for the keyboard and a DSUB9 for the mouse. Guess I'm old ;)

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[–] locuester@lemmy.zip 19 points 2 weeks ago

lol PS/2 ports are the newer ones. There were larger AT ports and ADB ports in addition to the 25-pin(!) LPT port (printer mostly) and COM ports (random peripherals including early mice, pre ps/2)

[–] darkreader2636@lemmy.zip 18 points 1 week ago

You guys had keyboards?

[–] Carvex@lemmy.world 17 points 2 weeks ago (2 children)

Yeah well my first computer typed in cuneiform so get off my lawn you kids

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[–] Codpiece@feddit.uk 17 points 2 weeks ago (1 children)

But the keyboard is the computer, mice haven’t been invented yet and where do I plug the tape deck in?

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[–] Lushed_Lungfish@lemmy.ca 15 points 2 weeks ago (1 children)

Oh I first learned to type by typing "The quick brown fox jumps over the lazy dogs" over and over on a wireless keyboard.

Called a typewriter.

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[–] Spaniard@lemmy.world 14 points 1 week ago (3 children)

An elegant port for a more civilized time

[–] surph_ninja@lemmy.world 14 points 1 week ago (9 children)

Nothing civilized about no hot plugging. Had to restart the whole damn computer, if the cable was loose or out at startup.

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[–] 1stQ@feddit.org 14 points 2 weeks ago
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