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: Petzold also delves into the world of user interfaces, discussing how the way we interact with computers has evolved over time. He touches on the principles of graphical user interfaces (GUIs) and the programming that goes into creating them. Regarding the specific query for a "PDF" version:
To understand the "black box" they are coding on. Regarding the specific query for a "PDF" version:
How electricity can represent numbers and perform addition. Regarding the specific query for a "PDF" version: