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Computers & Technology
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Books, Computer Science, Computers & Technology
Essentials of E – Commerce Technology (Paperback)
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Books, Computer Science, Computers & TechnologyEssentials of E – Commerce Technology (Paperback)
This book is designed to acquaint the readers with major aspects of e-commerce with particular emphasis on technology such as cryptography, e-payment and mobile payment security. The book presents a layered architecture of e-commerce systems with six layers. The physical layer (the bottommost layer) described first, provides the basic communication infrastructure needed by e commerce. The next layer described is the logical layer consisting of Local Area Networks, the Internet, Intranet, etc. which provide connectivity. The layer above is the network services layer which provides e-mail and World Wide Web applications. Above this is a very important messaging layer of e-commerce which provides facilities for exchanging messages securely using the communication infrastructure. Here various methods of encryption, public key infrastructure and digital signature are discussed. It is also explained as to how the messaging layer is used to exchange structured electronic documents, using XML.
- ASIN : 8120339371
- Publisher : Prentice Hall India Learning Private Limited; 1st Edition (1 January 2009); PRENTICE HALL INDIA
- Language : English
- Paperback : 260 pages
- ISBN-10: 9788120339378
- ISBN-13: 978-8120339378
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Books, Computer Science, Computers & Technology
Quantum Supremacy: How the Quantum Computer Revolution Will Change Everything
Books, Computer Science, Computers & TechnologyQuantum Supremacy: How the Quantum Computer Revolution Will Change Everything
The runaway success of the microchip processor may be reaching its end. Running up against the physical constraints of smaller and smaller sizes, traditional silicon chips are not likely to prove useful in solving humanity’s greatest challenges, from climate change, to global starvation, to incurable diseases. But the quantum computer, which harnesses the power and complexity of the atomic realm, already promises to be every bit as revolutionary as the transistor and microchip once were. Its unprecedented gains in computing power herald advancements that could change every aspect of our daily lives.
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