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Calculation is the main function of a computer. The central unit is responsible for executing the programs. The microprocessor is its integrated form. This component, since the announcement of its marketing in 1971, has not stopped breaking records in terms of computing power, price reduction and integration of functions (calculation of basic functions, storage with integrated controllers). It is present today in most electronic devices. Knowing its internal mechanisms and programming is essential for the electronics engineer and computer scientist to understand and master the operation of a computer and advanced concepts of programming. This first volume focuses more particularly on the first generations of microprocessors, that is to say those that handle integers in 4 and 8-bit formats. The first chapter presents the calculation function and reminds the memory function. The following is devoted to notions of calculation model and architecture. The concept of bus is then presented. Chapters 4 and 5 can then address the internal organization and operation of the microprocessor first in hardware and then software. The mechanism of the function call, conventional and interrupted, is more particularly detailed in a separate chapter. The book ends with a presentation of architectures of the first microcomputers for a historical perspective. The knowledge is presented in the most exhaustive way possible with examples drawn from current and old technologies that illustrate and make accessible the theoretical concepts. Each chapter ends if necessary with corrected exercises and a bibliography. The list of acronyms used and an index are at the end of the book.
Advances in Software Science and Technology, Volume 4 provides information pertinent to the advancement of the science and technology of computer software. This book discusses the various applications for computer systems. Organized into two parts encompassing 10 chapters, this volume begins with an overview of the historical survey of programming languages for vector/parallel computers in Japan and describes compiling methods for supercomputers in Japan. This text then explains the model of a Japanese software factory, which is presented by the logical configuration that has been satisfied by the semantics of software engineering. Other chapters consider fluent joint as an algorithm that operates on relations organized as multidimensional linear hash files. The final chapter deals with the rules for submission of English papers that will be published, which includes papers that are reports of academic research by members of the Society. This book is a valuable resource for scientists, software engineers, and research workers.
The success of the web depends not only on the creation of stimulating and valuable information, but also on the speed, efficiency and convenient delivery of this information to the Web consumer. This authoritative presentation of web server technology takes you beyond the basics to provide the underlying principles and technical details of how WWW servers really work. It explains current technology and suggests enhanced and expanded methods for disseminating information via the Web. Features: Covers measurement of WWW component performance--the networks, server hardware, and operating systems--and suggests alternative Web server software designs for improving performance. Explains the costs and benefits of mirroring and caching Web documents. Surveys the web's current search tools and uses the library system as a model layout to illustrate indexing, searching, and retrieval techniques. Assesses web security hazards and presents mechanisms for combating these vulnerabilities, including an in-depth discussion of firewalls. Analyzes the risks and explains the technologies used in a variety of services available for making monetary transactions online.
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