Modern computers

Xem 1-20 trên 246 kết quả Modern computers
  • As I was completing the manuscript for the first edition of A History of Modern Computing, I found myself anxiously looking over my shoulder, worrying that some new development in computing would render what I had just written obsolete. My concern was well grounded: as I was writing the final chapter, at least one event occurred that threatened to upset the narrative structure I had erected.

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  • Instruction Set: The repertoire of instructions of a computer. Different computers have different instruction sets. But with many aspects in common. Early computers had very simple instruction sets. Simplified implementation. Many modern computers also have simple instruction sets.

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  • Database management has evolved from a specialized computer application to a central component of a modern computing environment, and, as a result, knowl- edge about database systems has become an essential part of an education in com- puter science. In this text, we present the fundamental concepts of database manage- ment. These concepts include aspects of database design, database languages, and database-system implementation.

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  • .An Introduction to Computational Physics Numerical simulation is now an integrated part of science and technology. Now in its second edition, this comprehensive textbook provides an introduction to the basic methods of computational physics, as well as an overview of recent progress in several areas of scientific computing. The author presents many step-by-step examples, including program listings in JavaTM , of practical numerical methods from modern physics and areas in which computational physics has made significant progress in the last decade.

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  • Chapter 19, "Maintaining the modern computer," focuses on the tools and techniques used to keep a computer operating properly, the use of system software, and how to safeguard critical system files and user data.

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  • Computing for Numerical Methods Using Visual C++ has been written to promote the use of Visual C++ in scientific computing. C++ is a beautiful language that has contributed to shaping the modern world today. The language has contributed to many device drivers in electronic equipment, as a tool in the development of many computer software programs, and as a tool for both research and teaching. Therefore, its involvement in providing the solution for numerical methods is very much expected.

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  • Computer is widespreadly used. It can be found in schools, in offices, even in homes. Every body rushes to learn how to use computers to have the advantages coming from this modern machine. In fact, computer has made life easier. Computer helps people do many things quicker and faster than they did before. A very clear evidence is that documents can be composed without papers. In our forefathers’ time, a draft paper should be used before they have a finished one. After draft, they must spend a certain time to rewrite in another paper to make it better to look at....

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  • Hardware and Computer Organization is a practical introduction to the architecture of modern microprocessors for students and professional alike. It is designed to take practicing professionals "under the hood” of a PC and provide them with an understanding of the basics of the complex machine that has become such a pervasive part of our everyday life. It clearly explains how hardware and software cooperatively interact to accomplish real-world tasks.

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  • This book is about the structure and function of computers. Its purpose is to present, as clearly and completely as possible, the nature and characteristics of modern-day computers. This task is a challenging one for two reasons. First, there is a tremendous variety of products, from single-chip microcomputers costing a few dollars to supercomputers costing tens of millions of dollars, that can rightly claim the name computer.Variety is exhibited not only in cost, but also in size, performance, and application.

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  • A major objective of this book is to fill the gap between traditional logic design principles and logic design/optimization techniques used in practice. Over the last two decades several techniques for computer-aided design and optimization of logic circuits have been developed. However, underlying theories of these techniques are inadequately covered or not covered at all in undergraduate text books. This book covers not only the "classical" material found in current text books but also selected materials that modern logic designers need to be familiar with ...

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  • Rapidly changing field: –vacuum tube - transistor - IC - VLSI (see section 1.4) –doubling every 1.5 years: memory capacity processor speed (Due to advances in technology and organization) •Things you‘ll be learning: –how computers work, a basic foundation –how to analyze their performance (or how not to!) –issues affecting modern processors (caches, pipelines) •Why learn this stuff? –you want to call yourself a ―computer scientist‖ –you want to build software people use (need performance) –you need to make a purchasing decision or offer ―expert‖ advice...

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  • MODERN PRACTICE OF GAS CHROMATOGRAPHY .MODERN PRACTICE OF GAS CHROMATOGRAPHY FOURTH EDITION Edited by Robert L. Grob, Ph.D. Professor Emeritus, Analytical Chemistry, Villanova University Eugene F. Barry, Ph.D. Professor of Chemistry, University of Massachusetts Lowell A JOHN WILEY & SONS, INC. PUBLICATION .Copyright  2004 by John Wiley & Sons, Inc. All rights reserved. Published by John Wiley & Sons, Inc., Hoboken, New Jersey. Published simultaneously in Canada.

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  • The intent of this book is to set the modern foundations of the theory of generalized curvature measures. This subject has a long history, beginning with J. Steiner (1850), H. Weyl (1939), H. Federer (1959), P. Wintgen (1982), and continues today with young and brilliant mathematicians. In the last decades, a renewal of interest in mathematics as well as computer science has arisen (finding new applications in computer graphics, medical imaging, computational geometry, visualization …).

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  • Until recently the applications of modern algebra were mainly confined to other branches of mathematics. However, the importance of modern algebra and dis- crete structures to many areas of science and technology is now growing rapidly. It is being used extensively in computing science, physics, chemistry, and data communication as well as in new areas of mathematics such as combinatorics. We believe that the fundamentals of these applications can now be taught at the junior level.

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  • Goals of Protection Principles of Protection Domain of Protection Access Matrix Implementation of Access Matrix Access Control Revocation of Access Rights Capability-Based Systems Language-Based Protection Discuss the goals and principles of protection in a modern computer system Explain how protection domains combined with an access matrix are used to specify the resources a process may access Examine capability and language-based protection systems

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  • Tham khảo sách 'customs modernization handbook', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Geo-electrical tomographical software plays a crucial role in geophysical research. However, imported software is expensive and does not provide much customizability, which is essential for more advanced geophysical study. Besides, these programs are unable to exploit the full potential of modern hardware, so the running time is inadequate for large-scale geophysical surveys. It is therefore an essential task to develop domestic software for overcoming all these problems.

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  • "This book is clearly written and presents a large number of examples illustrating the theory . . . there is no other book of comparable content available. Because of its detailed coverage of applications generally neglected in the literature, it is a desirable if not essential addition to undergraduate mathematics and computer science libraries.

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  • A modern computer system that's not part of a network is even more of an anomaly today than it was when we published the first edition of this book in 1991. But however widespread networks have become, managing a network and getting it to perform well can still be a problem. Managing NFS and NIS, in a new edition based on Solaris 8, is a guide to two tools that are absolutely essential to distributed computing environments: the Network Filesystem (NFS) and the Network Information System (formerly called the "yellow pages" or YP).The Network Filesystem, developed by Sun Microsystems, is...

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  • At every moment of every day there is a crash event, affecting everything: transportation, economics, politics, computing, bodies, brains, cups and plates, birds, agriculture, chemistry, health, banking, manufacturing and so on, without end. Despite being insured, insulated by method, knowledge, prediction, risk analysis and technology against accidents, we are nevertheless permanently avoiding them. Every crash is followed by calls for legislation: ‘it must never happen again’ – and yet it always does.

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