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Computer Control and Human Error presents accounts of various incidents at computer-controlled plants. These incidents include equipment and software faults; treating the computer as a "black box"; misjudging the way operators respond to the computer; errors in the data entry; failure to inform operators of changes in data or programs; and unauthorized interference with peripheral equipment. The discussion then turns to the use of hazard and operability studies (Hazops) to prevent or reduce errors in computer-controlled plants. The book describes the conventional Hazop as used in the process industry and an overview of the different Chazop frameworks/guidelines suggested by engineers and researchers. It then presents new Chazop methodology which is based on incident analysis. The final chapter presents reasons for failures in computerized systems, each of which is illustrated with an example. Most of the examples did not cause an actual safety problem, simply because they occurred within systems that are not safety-related. Some of these examples appear in the literature; others are from personal experience or from private communications.
Computer System and Network Security provides the reader with a basic understanding of the issues involved in the security of computer systems and networks. Introductory in nature, this important new book covers all aspects related to the growing field of computer security. Such complete coverage in a single text has previously been unavailable, and college professors and students, as well as professionals responsible for system security, will find this unique book a valuable source of information, either as a textbook or as a general reference.
This celebrated primer presents an introduction to all of the key ingredients in understanding computerized adaptive testing technology, test development, statistics, and mental test theory. Based on years of research, this accessible book educates the novice and serves as a compendium of state-of-the-art information for professionals interested in computerized testing in the areas of education, psychology, and other related social sciences. A hypothetical test taken as a prelude to employment is used as a common example throughout to highlight this book's most important features and problems.
Are you stuck? Are you dragging yourself through the hours between sunrise and sunset in survival mode, moving from one task to another without joy or passion, struggling to find meaning or purpose in your life? You know that joy and happiness is in there somewhere, buried behind the negative words, but it seems here today and gone tomorrow, and you're just wondering what it takes to bring it back into your life. Maybe you had it once but misplaced it, and even though you've been searching high and low, your motivation is nowhere to be found. Maybe, like Myra, you began your life behind the proverbial eight-ball, and what you really need is a clue, just one clue that will help you find the path that will take you to loving yourself, loving your life, and unlocking your passion. Wherever you began, however far you have come, right now you feel stuck. And more than anything you want to get unstuck, focused, and back in action, but how? All roads, whether long or short, begin with a single step, but where do you start? You start here. With Myra's help, you can begin to turn your depression and sadness into joy. Within this book you will gain the keys to successfully restart your engine, no matter what! The exercises and coaching questions in the Focused, Unstuck and Back in Action are powerful, effective, and will help you turn your life on - gifting yourself with direction, achievement, and the love you deserve. Discover how to turn: depression into joy negative thoughts to positive self-loathing to self-love being stuck to a life of action and pleasure Believe it or not, this is all possible. And Myra is living proof. When you read her story you will be amazed at the huge challenges that she faced, how she overcame these, and in spite of it all, went on to live a happy successful life. Today, she is a motivational speaker, author, disability advocate, professional artist, wife, mother, and grandmother. She hosts two online radio shows, Never Say Impossible and Dancing On Our Disabilities. If anyone knows about reinventing themselves in the face of adversity, it's Myra! A personal note from the author: "Life is often challenging and isolated. We all have our own personal struggles and adversities. I believe no one has to be alone on that dark and lonely journey. Personal experience has taught me that sharing, compassion, and understanding are the keys that can unlock what may seem insurmountable odds and circumstantial entrapment. To all who perceive themselves lost in a world of procrastination, indecision, and frustration, know that freedom and happiness are waiting for you and I would like to help guide you to a life that is focused, unstuck and back in action!" Myra Goldnick Show less"
Digital gaming is today a significant economic phenomenon as well as being an intrinsic part of a convergent media culture in postmodern societies. Its ubiquity, as well as the sheer volume of hours young people spend gaming, should make it ripe for urgent academic enquiry, yet the subject was a research backwater until the turn of the millennium. Even today, as tens of millions of young people spend their waking hours manipulating avatars and gaming characters on computer screens, the subject is still treated with scepticism in some academic circles. This handbook aims to reflect the relevance and value of studying digital games, now the subject of a growing number of studies, surveys, conferences and publications.
As an overview of the current state of research into digital gaming, the 42 papers included in this handbook focus on the social and cultural relevance of gaming. In doing so, they provide an alternative perspective to one-dimensional studies of gaming, whose agendas do not include cultural factors. The contributions, which range from theoretical approaches to empirical studies, cover various topics including analyses of games themselves, the player-game interaction, and the social context of gaming. In addition, the educational aspects of games and gaming are treated in a discrete section. With material on non-commercial gaming trends such as 'modding', and a multinational group of authors from eleven nations, the handbook is a vital publication demonstrating that new media cultures are far more complex and diverse than commonly assumed in a debate dominated by concerns over violent content.
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