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Far from being the passive containers for semiconductor devices of the past, the packages in today's high performance computers pose numerous challenges in interconnecting, powering, cooling and protecting devices. While semiconductor circuit performance measured in picoseconds continues to improve, computer performance is expected to be in nanoseconds for the rest of this century -a factor of 1000 difference between on-chip and off-chip performance which is attributable to losses associated with the package. Thus the package, which interconnects all the chips to form a particular function such as a central processor, is likely to set the limits on how far computers can evolve. Multichip packaging, which can relax these limits and also improve the reliability and cost at the systems level, is expected to be the basis of all advanced computers in the future. In addition, since this technology allows chips to be spaced more closely, in less space and with less weight, it has the added advantage of being useful in portable consumer electronics as well as in medical, aerospace, automotive and telecommunications products. The multichip technologies with which these applications can be addressed are many. They range from ceramics to polymer-metal thin films to printed wiring boards for interconnections; flip chip, TAB or wire bond for chip-to-substrate connections; and air or water cooling for the removal of heat.
Management Information Systems provides comprehensive and integrative coverage of essential new technologies, information system applications, and their impact on business models and managerial decision-making in an exciting and interactive manner. The twelfth edition focuses on the major changes that have been made in information technology over the past two years, and includes new opening, closing, and Interactive Session cases.
From an insider, the forty-year saga of the rise and fall of Digital Equipment Corporation, one of the pioneering companies of the computer age. Digital Equipment Corporation created the minicomputer, networking, the concept of distributed computing, speech recognition, and other major innovations. It was the number-two computer maker behind IBM. Yet it ultimately failed as a business and was sold to Compaq Corporation. What happened? Edgar Schein consulted to DEC throughout its history and so had unparalleled access to all the major players, and an inside view of all the major events. He shows how the unique organizational culture established by DEC's founder, Ken Olsen, gave the company important competitive advantages in its early years, but later became a hindrance and ultimately led to its downfall. Coauthors Schein, Kampas, DeLisi, and Sonduck explain in detail how a particular culture can become so embedded that an organization is unable to adapt to changing circumstances even though it sees the need very clearly. The essential elements of DEC’s culture are still visible in many other organizations today, and most former employees are so positive about their days at DEC that they attempt to reproduce its culture in their current work situations. In the era of post-dotcom meltdown, raging debate about companies “built to last” vs. “built to sell,” and more entrepreneurial startups than ever, the rise and fall of DEC is the ultimate case study.
IBM is in trouble in 2014. The iconic computer company has mismanaged itself into a rut it may be unable to get out of. Technology journalist Robert X. Cringely explains how Big Blue got to where it is today and what can still be done to save the company before it is too late.
The Architecture of Computer Hardware, Systems Software and Networking is designed help students majoring in information technology (IT) and information systems (IS) understand the structure and operation of computers and computer-based devices. Requiring only basic computer skills, this accessible textbook introduces the basic principles of system architecture and explores current technological practices and trends using clear, easy-to-understand language. Throughout the text, numerous relatable examples, subject-specific illustrations, and in-depth case studies reinforce key learning points and show students how important concepts are applied in the real world. This fully-updated sixth edition features a wealth of new and revised content that reflects today’s technological landscape. Organized into five parts, the book first explains the role of the computer in information systems and provides an overview of its components. Subsequent sections discuss the representation of data in the computer, hardware architecture and operational concepts, the basics of computer networking, system software and operating systems, and various interconnected systems and components. Students are introduced to the material using ideas already familiar to them, allowing them to gradually build upon what they have learned without being overwhelmed and develop a deeper knowledge of computer architecture.