Alan Dennis – författare

This text is appropriate for those courses with an emphasis on e-commerce and the Internet, as well as short courses or MBA/IS courses that want a modern approach. Networking has changed dramatically over the past ten years. Most texts have focused on network layers and their concepts and then on how the different technologies are implemented; however with the number of viable technologies shrinking, it makes less sense to focus on concepts first and technologies second. Networking in the Internet Age first edition integrates the discussion of concepts and technologies so they appear in one place, organized by layers.

Systems Analysis and Design: An Object-Oriented Approach with UML, Sixth Edition helps students develop the core skills required to plan, design, analyze, and implement information systems. Offering a practical hands-on approach to the subject, this textbook is designed to keep students focused on doing SAD, rather than simply reading about it. Each chapter describes a specific part of the SAD process, providing clear instructions, a detailed example, and practice exercises. Students are guided through the topics in the same order as professional analysts working on a typical real-world project.Now in its sixth edition, this edition has been carefully updated to reflect current methods and practices in SAD and prepare students for their future roles as systems analysts. Every essential area of systems analysis and design is clearly and thoroughly covered, from project management, to analysis and design modeling, to construction, installation, and operations. The textbook includes access to a range of teaching and learning resources, and a running case study of a fictitious healthcare company that shows students how SAD concepts are applied in real-life scenarios.

With the overarching goal of preparing the analysts of tomorrow, Systems Analysis and Design offers students a rigorous hands-on introduction to the field with a project-based approach that mirrors the real-world workflow. Core concepts are presented through running cases and examples, bolstered by in-depth explanations and special features that highlight critical points while emphasizing the process of "doing" alongside "learning." As students apply their own work to real-world cases, they develop the essential skills and knowledge base a professional analyst needs while developing an instinct for approach, tools, and methods.Accessible, engaging, and geared toward active learning, this book conveys both essential knowledge and the experience of developing and analyzing systems; with this strong foundation in SAD concepts and applications, students are equipped with a robust and relevant skill set that maps directly to real-world systems analysis projects.

Business Data Communications and Networking, 14th Edition presents a classroom-tested approach to the subject, combining foundational concepts, practical exercises, and real-world case studies. The text provides a balanced, well-rounded presentation of data communications while highlighting its importance to nearly every aspect of modern business. This fully-updated new edition helps students understand how networks work and what is required to build and manage scalable, mobile, and secure networks.Clear, student-friendly chapters introduce, explain, and summarize fundamental concepts and applications such as server architecture, network and transport layers, network design processes and tools, wired and wireless networking, and network security and management. An array of pedagogical features teaches students how to select the appropriate technologies necessary to build and manage networks that meet organizational needs, maximize competitive advantage, and protect networks and data from cybersecurity threats. Discussions of real-world management and technical issues, from improving device performance to assessing and controlling costs, provide students with insight into the daily networking operations of actual businesses.

Systems Analysis and Design, 8th Edition offers students a hands-on introduction to the core concepts of systems analysis and systems design. Following a project-based approach written to mimic real-world workflow, the text includes a multitude of cases and examples, in-depth explanations, and special features that highlight crucial concepts and emphasize the application of fundamental theory to real projects.

Enables readers to analyze and design systems — not just read about IT Systems Analysis and Design: An Object-Oriented Approach with UML, Seventh Edition captures the dynamic aspects of the field by keeping students focused on doing SAD while presenting the core set of skills that every systems analyst needs to know today and in the future. The team of expert authors introduces each major technique, explains what it is, explains how to do it, presents an example, and provides opportunities for students to practice before they do it for real in a project. After reading each chapter, students will be able to perform that step in the system development process. NEW TO THIS EDITION A greater emphasis on developing information systems using an incremental and iterative approach and verifying, validating, and testing throughout the bookChapter on agile developmentChapter that overviews the supporting workflows of the Unified ProcessGreatly expanded the Library Management System (LMS) example integrated throughout the chaptersConverted the Campus Housing example to a set of “Your Turn” exercises. Also, suggested answers to each exercise are included in the Instructor’s ManualAppendix section on sequence, decision, and looping/repeating programming structuresNew and expanded sections on storytelling, NoSQL, data distribution and peer-to-peer architectureExpanded coverage of the interdependencies among the functional (Chapter 3), structural (Chapter 4), and behavioral (Chapter 5) modelsNew and revised figures throughout the bookUpdated MS Word templates that can be used for system requests, system proposals, use case descriptions, CRC cards, contracts, method specifications, use case test plan, class test plan, and class invariant test specificationsWILEY ADVANTAGE Focuses on real-world application by guiding students through practice problems and using the technique in a projectPresents a contemporary, object-oriented approach using UML (Unified Modeling Language)Integrates stories, feedback, and advice from a diverse industry advisory board of IS professionals and consultantsProvides chapters that each cover a different step in the Systems Development Life Cycle (SDLC) process