Code : The Hidden Language of Computer Hardware and Software ; 2nd ed

The classic guide to how computers work, updated with new chapters and interactive graphics Computers 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. Have you ever wondered what goes on inside these devices to make our lives easier but occasionally more infuriating? 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. Along with new chapters, Petzold created a new website, CodeHiddenLanguage.com, that uses animated interactive graphics to make computers even easier to comprehend.