Difference between revisions of "The Telegraph and The Digital Revolution"

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== The Telegraph ==
 
== The Telegraph ==
=== Pulse Width Modulation Code ===
 
 
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| 7 || {{dash}}{{dot}}{{dot}} || (SHIFT) || {{dash}}{{dash}}{{dash}}{{dash}}{{dash}} || ||
 
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=== Pulse Width Modulation Code ===
  
 
The Illomi telegraph system used a pulse with modulated character code akin to [[W:Morse code|Morse code]], though the codes used are based upon letter frequency in [[Delang]]. A shift code ({{dash}}{{dash}}{{dash}}{{dash}}{{dash}}) switches between letters and numbers and punctuation, and each transmission blocks are separated by two shift characters.
 
The Illomi telegraph system used a pulse with modulated character code akin to [[W:Morse code|Morse code]], though the codes used are based upon letter frequency in [[Delang]]. A shift code ({{dash}}{{dash}}{{dash}}{{dash}}{{dash}}) switches between letters and numbers and punctuation, and each transmission blocks are separated by two shift characters.

Revision as of 14:43, 5 May 2019

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The Telegraph

А/1 Ј ▄▄▄▄▄▄ L/0 ▄▄▄▄▄▄
Ҩ ▄▄▄ К ▄▄▄▄▄▄▄▄▄▄▄▄ Ѕ/5
Б/9 ▄▄▄ Л ▄▄▄▄▄▄▄▄▄ Z ▄▄▄▄▄▄
З ▄▄▄▄▄▄▄▄▄ Љ ▄▄▄▄▄▄▄▄▄ Т/6 ▄▄▄
Δ ▄▄▄▄▄▄ М ▄▄▄▄▄▄▄▄▄ И ▄▄▄▄▄▄
Е/2 Н/(!) ▄▄▄▄▄▄ В ▄▄▄▄▄▄▄▄▄
Є ▄▄▄▄▄▄ Њ ▄▄▄▄▄▄ Ѡ ▄▄▄▄▄▄
F/(.) ▄▄▄ О/4 Р/8 ▄▄▄
Г ▄▄▄▄▄▄ П ▄▄▄▄▄▄▄▄▄▄▄▄ Y ▄▄▄▄▄▄▄▄▄▄▄▄
Ƕ ▄▄▄▄▄▄▄▄▄▄▄▄ Ь/(?) ▄▄▄▄▄▄ С/3
І/(,) ▄▄▄ Ҍ ▄▄▄▄▄▄ Ҫ ▄▄▄▄▄▄
7 ▄▄▄ (SHIFT) ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄

Pulse Width Modulation Code

The Illomi telegraph system used a pulse with modulated character code akin to Morse code, though the codes used are based upon letter frequency in Delang. A shift code (▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄) switches between letters and numbers and punctuation, and each transmission blocks are separated by two shift characters.

  • Ex: SHIFT SHIFT T H I S SPACE I S SPACE A SPACE T E S T SHIFT 1 2 3 SHIFT SHIFT
    ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ ▄▄▄ ▄▄▄▄▄▄ ▄▄▄     ▄▄▄         ▄▄▄ ▄▄▄ ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄

The Digital Revolution

The First Computers

  • electro-mechanical digital computers
  • wire based digital internal storage using PWMC
    • the digital storage was constructed using a mechanical telegraph key as output, a long coiled string, and a pickup transducer to pick up the signal
    • required a refresh circuit
  • no external digital storage

Second Generation Computers

  • mostly electronically digital computers
  • removable magnetic wire coil external storage using PWMC
    • wire coil strung from one spindel to another through a magnetic read/write head

Zero Deliminated Character Code

  • binary stream based digital storage
  • based upon Pulse Width Modulation Code
  • shift character codes switches between lower case, upper case, numbers, punctuation, and codes

Third Generation Computers

  • transistor based digital computers

Fourth Generation Computers

  • integrated circuit based digital computers

Fifth Generation Computers and Beyond

Stagnation and The Zeron