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As a step toward ultimate low-power computing, this book introduces normally-off computing, which involves inactive components of computer systems being aggressively powered off with the help of new non-volatile memories (NVMs). Because the energy consumption of modern information devices strongly depends on both hardware and software, co-design and co-optimization of hardware and software are indispensable to improve energy efficiency. The book discusses various topics including (1) details of low-power technologies including power gating, (2) characteristics of several new-generation NVMs, (3) normally-off computing architecture, (4) important technologies for implementing normally-off computing, (5) three practical implementations: healthcare, mobile information devices, and sensor network systems for smart city applications, and (6) related research and development. Bridging computing methodology and emerging memory devices, the book is designed for both hardware and software designers, engineers, and developers as comprehensive material for understanding normally-off computing.

Computer memory systems. --- Electrical engineering. --- Renewable energy resources. --- Memory Structures. --- Electrical Engineering. --- Renewable and Green Energy.

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Computer storage devices --- Computer memory systems --- Computers --- Electronic digital computers --- Storage devices, Computer --- Computer input-output equipment --- Memory management (Computer science) --- Security measures --- Memory systems --- Storage devices

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"Storage Systems: Organization, Performance, Coding, Reliability and Their Data Processing was motivated by the 1988 Redundant Array of Inexpensive/Independent Disks proposal to replace large form factor mainframe disks with an array of commodity disks. Disk loads are balanced by striping data into strips—with one strip per disk— and storage reliability is enhanced via replication or erasure coding, which at best dedicates k strips per stripe to tolerate k disk failures. Flash memories have resulted in a paradigm shift with Solid State Drives (SSDs) replacing Hard Disk Drives (HDDs) for high performance applications. RAID and Flash have resulted in the emergence of new storage companies, namely EMC, NetApp, SanDisk, and Purestorage, and a multibillion-dollar storage market. Key new conferences and publications are reviewed in this book. The goal of the book is to expose students, researchers, and IT professionals to the more important developments in storage systems, while covering the evolution of storage technologies, traditional and novel databases, and novel sources of data. We describe several prototypes: FAWN at CMU, RAMCloud at Stanford, and Lightstore at MIT; Oracle's Exadata, AWS' Aurora, Alibaba's PolarDB, Fungible Data Center; and author's paper designs for cloud storage, namely heterogeneous disk arrays and hierarchical RAID."--

Computer storage devices. --- Computer memory systems --- Computers --- Electronic digital computers --- Storage devices, Computer --- Computer input-output equipment --- Memory management (Computer science) --- Memory systems --- Storage devices

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Die beiden Bände Technische Informatik bieten einen verständlichen Einstieg in dieses wichtige Teilgebiet der Informatik. Leser mit unterschiedlichen Vorkenntnissen gewinnen schrittweise einen Überblick über die benötigten elektrotechnischen und elektronischen Grundlagen. Auf dieser Basis werden die Komponenten und Strukturen von heutigen Computersystemen eingeführt. Aufgrund des großen Erfolges des Werkes liegt nun auch der Band 2 in fünfter, neu bearbeiteter Auflage vor. Er schließt mit dem Kapitel "Komplexe Schaltwerke" an den Band 1 Grundlagen der digitalen Elektronik an. Ausgehend vom Operationsprinzip des Von-Neumann-Rechners werden sowohl CISC- als auch RISC-Rechnerarchitekturen, aktuelle Prozessorarchitekturen, Kommunikationskanäle, Speicherorganisation und Peripheriegeräte behandelt. In der Neuauflage wurden vor allem die Kapitel über Speicher und Peripheriegeräte überarbeitet. Im Kapitel "Kommunikation" wurden Abschnitte zu Ethernet-Varianten und drahtlosen Netzwerken eingefügt. Außerdem wurde das Kapitel über aktuelle Computersysteme neu bearbeitet und um Abschnitte über Cluster- und Grid-Computing ergänzt. Das Übungsbuch zur Technischen Informatik 1 und 2 bietet ergänzend einprägsame Lernhilfen an. Es ist mittlerweile in der dritten Auflage erschienen.

Electrical engineering. --- Electronics. --- Microelectronics. --- Architecture, Computer. --- Microprocessors. --- Computer memory systems. --- Electrical Engineering. --- Electronics and Microelectronics, Instrumentation. --- Computer System Implementation. --- Processor Architectures. --- Memory Structures. --- Communications Engineering, Networks.

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Neurology . --- Computers. --- Artificial intelligence. --- Computer memory systems. --- Computer science—Mathematics. --- Neurosciences. --- Neurology. --- Computation by Abstract Devices. --- Artificial Intelligence. --- Memory Structures. --- Symbolic and Algebraic Manipulation.