- Taschenbuch: 396 Seiten
- Verlag: Microsoft Press Books; Auflage: 2Rev Ed (11. November 2000)
- Sprache: Englisch
- ISBN-10: 0735611319
- ISBN-13: 978-0735611313
- Größe und/oder Gewicht: 15,2 x 2,8 x 22,6 cm
- Durchschnittliche Kundenbewertung: 20 Kundenrezensionen
- Amazon Bestseller-Rang: Nr. 14.502 in Fremdsprachige Bücher (Siehe Top 100 in Fremdsprachige Bücher)
Code: The Hidden Language (Dv- Undefined) (Englisch) Taschenbuch – 11. November 2000
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Charles Petzold's latest book, Code: The Hidden Language of Computer Hardware and Software, crosses over into general-interest nonfiction from his usual programming genre. It's a carefully written, carefully researched gem that will appeal to anyone who wants to understand computer technology at its essence. Readers learn about number systems (decimal, octal, binary, and all that) through Petzold's patient (and frequently entertaining) prose and then discover the logical systems that are used to process them. There's loads of historical information too. From Louis Braille's development of his eponymous raised-dot code to Intel Corporation's release of its early microprocessors, Petzold presents stories of people trying to communicate with (and by means of) mechanical and electrical devices. It's a fascinating progression of technologies, and Petzold presents a clear statement of how they fit together.
The real value of Code is in its explanation of technologies that have been obscured for years behind fancy user interfaces and programming environments, which, in the name of rapid application development, insulate the programmer from the machine. In a section on machine language, Petzold dissects the instruction sets of the genre-defining Intel 8080 and Motorola 6800 processors. He walks the reader through the process of performing various operations with each chip, explaining which opcodes poke which values into which registers along the way. Petzold knows that the hidden language of computers exhibits real beauty. In Code, he helps readers appreciate it. --David Wall
Topics covered: Mechanical and electrical representations of words and numbers, number systems, logic gates, performing mathematical operations with logic gates, microprocessors, machine code, memory and programming languages. -- Dieser Text bezieht sich auf eine vergriffene oder nicht verfügbare Ausgabe dieses Titels.
Paperback Edition What do flashlights, the British invasion, black cats, and seesaws have to do with computers? In CODE, they show us the ingenious ways we manipulate language and invent new means of communicating with each other. And through CODE, we see how this ingenuity and our very human compulsion to communicate have driven the technological innovations of the past two centuries. Using everyday objects and familiar language systems such as Braille and Morse code, author Charles Petzold weaves an illuminating narrative for anyone who s ever wondered about the secret inner life of computers and other smart machines. It s a cleverly illustrated and eminently comprehensible story and along the way, you ll discover you ve gained a real context for understanding today s world of PCs, digital media, and the Internet. No matter what your level of technical savvy, CODE will charm you and perhaps even awaken the technophile within.Alle Produktbeschreibungen
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Petzold attempts, and largely succeeds at, writing a book that leaves the reasonably intelligent layperson with a thorough comprehension of each layer that comprises a modern electronic computer (binary coding -> electronic representation -> transistors -> logic gates -> integrated circuits -> microprocessors -> opcodes -> assembly language -> high-level language -> applications). At times, the reader must follow along carefully, but Petzold tries to avoid needless complication.
Code is a well written and very entertaining explanation of the digital electronic technology that has become an integral part of our daily lives. Short of getting a degree in electrical engineering, this book is your best bet to understand how it works.
The organisation is excellent - Petzold explores one topic at a time, giving you the chance to absorb one concept before moving on to the next. And each chapter builds on what you have read before.
If you are just curious about what goes on inside your PC, or if you are involved in IT but lack an understanding of the actual box that does all the work, then this book is for you.
On the other hand, don't buy this book if you want practical information about how to be a better programmer or whatever. This book is definetely suited to an enthusiast who is honestly interested in learning arcane details. It isn't going to help anyone get a higher salary or a promotion.
That's what I really liked about this book. It was truly different from any other book you will ever buy from Microsoft Press or like publishers.
My only real critiscism is that it seems to run out of steam at the end. Chapter after chapter is devoted to the inner workings of logic gates, memory, and so on, but almost nothing is said about operating systems.
I would recommend this book to all software developers, and also anyone that has any technical hobbies. It has much technical information, but is also very easy to read.
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