Along with new chapters, Petzold created a new website,, that uses animated interactive graphics to make computers even easier to comprehend. This new expanded edition explores more deeply the bit-by-bit, gate-by-gate construction of the heart of every smart device: the central processing unit that combines the simplest of basic operations to perform the most complex of feats. You’ll discover what flashlights, black cats, seesaws, and the ride of Paul Revere can teach you about computing - and how human ingenuity and our compulsion to communicate have shaped every electronic device we use. Cleverly illustrated and easy to understand, this is the book that cracks the mystery. Have you ever wondered what goes on inside these devices to make our lives easier but occasionally more infuriating?įor more than 20 years, readers have delighted in Charles Petzold’s illuminating story of the secret inner life of computers, and now he has revised it for this new age of computing. 'Code' is one of my favorite programming books ever (even though it doesnt really go into. The 2nd edition of Code: The Hidden Language of Computer Hardware and Software falls into that second category. The classic guide to how computers work, updated with new chapters and interactive graphicsĬomputers are everywhere - most obviously in our laptops and smartphones, but also our cars, televisions, microwave ovens, alarm clocks, robot vacuum cleaners, and other smart appliances. Charles Petzold: Whenever a 2nd edition of a book is published, people ask I already have the 1st edition.
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