For those that need help in deciphering the title text, there is a super easy trick:
Take the last 5 bits of each byte, convert them from binary to decimal, and that letter of the alphabet (starting from one) is the letter represented by the ASCII code.
To convert binary numbers to decimal, just add the place values of a the 1s together. For 5 bits, the place values are 16, 8, 4, 2, 1. So 10110 becomes 16+4+2 which is equal to 22.
01001101: last 5 bits are 01101, in decimal, that is 8+4+1=13, and the 13th letter of the alphabet is “m”
01100101, becomes 00101, then 4+1=5, and the 5th letter of the alphabet is ‘e’
The last 2 are just repeats of those, so the post body reads “meme” (if the third bit is zero, the letter is capital, so it should really be “Meme”)
Optimized to use less symbols by combining them (long gap between words is just three short gaps).
I also think if a sentence ends, there would be the unnessecary 0 from the dots and Dashes at the end.
Makes sense. I remember asking myself whether Morse was a form of Huffman encoding back when I was learning that stuff. And it kinda is going for that, but without actually doing it properly since it wasn’t a binary code per se and so could use the pauses. “Ternary” makes sense.
Unless I’m mistaken I would say that it’s the other way around, Morse code is more like a human readable machine language expressed in binary because the 26 character alphabet is expressed in different binary values, much like ASCII.
This is a weird meme to me. Have you ever made something like a simple accumulator machine out of logic gates, OP? You literally just program them in binary, although usually the instructions are expressed in hexadecimal. You make your own instruction set. When we did ours in Compsci foundations I just decided that 0x06 was going to be my jump at negative instruction. I could have wired the logic so that instruction was at a different value, it’s literally possible to make your own instruction set, then your own assembly language, and then your own compiler, and your own programming language. People, mostly women at first, did this for every new computer their institution built at first.
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This picture is basically true. The old punch cards …
Come on, we at least used hex digits.
https://archive.org/details/your-sinclair-61/page/n27/mode/2up
Need this
What’s “space!” and “enter”?
For those that need help in deciphering the title text, there is a super easy trick: Take the last 5 bits of each byte, convert them from binary to decimal, and that letter of the alphabet (starting from one) is the letter represented by the ASCII code.
To convert binary numbers to decimal, just add the place values of a the 1s together. For 5 bits, the place values are 16, 8, 4, 2, 1. So 10110 becomes 16+4+2 which is equal to 22.
01001101: last 5 bits are 01101, in decimal, that is 8+4+1=13, and the 13th letter of the alphabet is “m”
01100101, becomes 00101, then 4+1=5, and the 5th letter of the alphabet is ‘e’
The last 2 are just repeats of those, so the post body reads “meme” (if the third bit is zero, the letter is capital, so it should really be “Meme”)
Binary is just morse in Mashine readable Form.
Not really, Morse code is not binary, but tertiary.
I’d say it’s quinary but can easily be represented binarily
short mark, dot or dit ( ▄ ): 1
longer mark, dash or dah ( ▄▄▄ ): 111
intra-character gap (between the dits and dahs within a character): 0
short gap (between letters): 000
medium gap (between words): 0000000
You can do it with three symbols:
The long gap between words is just three short gaps.
There’s a Vsauce video about this: https://youtu.be/HY_OIwideLg
Looks right, but would that not already be optimized?
Not sure what you mean by optimized.
Optimized to use less symbols by combining them (long gap between words is just three short gaps). I also think if a sentence ends, there would be the unnessecary 0 from the dots and Dashes at the end.
I’m guessing you’re saying that because of the pauses? Otherwise I don’t get it.
Yes, the space is a necessary symbol in Morse code, otherwise it’s impossible to decode.
Makes sense. I remember asking myself whether Morse was a form of Huffman encoding back when I was learning that stuff. And it kinda is going for that, but without actually doing it properly since it wasn’t a binary code per se and so could use the pauses. “Ternary” makes sense.
Right, Morse was actually mentioned as an example when I was learning Huffman encoding. :)
I was gonna say “like, kind of” because of Morse code.
Ya beat me to it bro
Unless I’m mistaken I would say that it’s the other way around, Morse code is more like a human readable machine language expressed in binary because the 26 character alphabet is expressed in different binary values, much like ASCII.
The binary says ‘Meme’
This is a weird meme to me. Have you ever made something like a simple accumulator machine out of logic gates, OP? You literally just program them in binary, although usually the instructions are expressed in hexadecimal. You make your own instruction set. When we did ours in Compsci foundations I just decided that 0x06 was going to be my jump at negative instruction. I could have wired the logic so that instruction was at a different value, it’s literally possible to make your own instruction set, then your own assembly language, and then your own compiler, and your own programming language. People, mostly women at first, did this for every new computer their institution built at first.
It was even worse, they manually flipped toggle switches to write the program
And there was no space or enter.
Even worse, they connected cables.
https://en.wikipedia.org/wiki/Plugboard
Yeah they looked like old timey telephone operators and the people who did it were called computers
For anyone interested. Here’s a video of programming an EEPROM with dip switches and using it to drive a seven segment display.
The guy’s channel also includes how to build a very simple computer using various ICs. If breadboard computers are your kind of thing.
That was great, thanks for sharing:)
Love Ben Eater and his projects. Helped me understand lots about how a computer functions under the hood with his 8bit computer project.
I bet most people reading your comment will think it’s a joke. 😩 And thanks for bringing back up those nightmares.
Having a space character makes it ternary. If enter is a character than quaternary
Plankalkül from 1942
https://de.m.wikipedia.org/wiki/Plankalkül
Technically morse code is just on/off on/off lol
Nah. They punched cards.
(Too bad shittywatercolors is not on lemmy)
Finally, a keyboard to program brainfuck
This is what I imagined programators did when i was a kid
Yeah, with USB and chips. Sounds about right.