Andrew J. Stewart – författare
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2 produkter
2 produkter
Häftad, Engelska, 1989
172 kr
Skickas inom 10-15 vardagar
Traditionally, computer programming has been sequential in nature. There has been the need to write a program to follow an exact sequence of steps to attain the required result. As parallel computers become more common, and the operation of existing computers itself becomes more parallel, there is a need to have the ability to write parallel programs. This guide provides an introduction to one such parallel language, OCCAM 2, and aims to provide support for practical programming in concurrency. The text contains an overview of the operation of a transputer and its characteristic novel architecture, which illustrates many of the important features that the language uses to achieve parallelism. Several practical examples are developed throughout the text to illustrate a few of the applications suitable for parallel programming techniques. No previous experience of writing parallel programs is required by readers of this text, however a general knowledge of programming techniques is beneficial.
Inbunden, Engelska, 2021
380 kr
Skickas inom 3-6 vardagar
As threats to the security of information pervade the fabric of everyday life, A Vulnerable System describes how, even as the demand for information security increases, the needs of society are not being met. The result is that the confidentiality of our personal data, the integrity of our elections, and the stability of foreign relations between countries are increasingly at risk.Andrew J. Stewart convincingly shows that emergency software patches and new security products cannot provide the solution to threats such as computer hacking, viruses, software vulnerabilities, and electronic spying. Profound underlying structural problems must first be understood, confronted, and then addressed.A Vulnerable System delivers a long view of the history of information security, beginning with the creation of the first digital computers during the Cold War. From the key institutions of the so-called military industrial complex in the 1950s to Silicon Valley start-ups in the 2020s, the relentless pursuit of new technologies has come at great cost. The absence of knowledge regarding the history of information security has caused the lessons of the past to be forsaken for the novelty of the present, and has led us to be collectively unable to meet the needs of the current day. From the very beginning of the information age, claims of secure systems have been crushed by practical reality.The myriad risks to technology, Stewart reveals, cannot be addressed without first understanding how we arrived at this moment. A Vulnerable System is an enlightening and sobering history of a topic that affects crucial aspects of our lives.