How "Hello World" Travels From Your Code to Your Screen

You type print("Hello World") and two words appear. But inside your computer, that one line is translated five times — into a to-do list, a request to the operating system, numbers, electricity, and finally light. Here's the whole journey, explained from scratch. No coding experience needed. 0:00 Two words 0:26 Look closer: dots of light 0:44 Nothing inside can read 1:11 Translation 1: words become a to-do list 1:33 Translation 2: asking permission (system calls) 1:59 Translation 3: letters become numbers 2:30 Why 72 is an H 2:44 Translation 4: one byte, eight signals 3:18 What the CPU actually does 3:54 Translation 5: electricity becomes light 4:33 Five translations: the whole path