Since the first part of the twentieth century, cybernetics and systems research have been developed as scientific disciplines. Investigations, launched in the area of cybernetics, previously dealt with control and information processing. In a more narrow sense, they consisted in the consideration of analogies of the control and the...

Programmable logic controllers (PLCs) continue to evolve as new technologies are added to their capabilities. The PLC started out as a replacement for hardwired relay control systems. Gradually, various math and logic manipulation functions were added. Today PLCs are the controller of choice for the vast majority of automated...

The term computer was quite popular back then. Now, the word is no...

You have read a number of tutorials, blogs, and books on Alfresco. Now you're in the real world, trying to use Alfresco, but you're running into...

The Handbook of Research on Green ICT: Technology, Business and Social Perspectives is the outcome of various debates, discussions, investigations and actions into a vital topic of today – Information and Communications Technology (ICT) -based business activities and the environment. This handbook draws on thoughts, insights,...

One of the most mysterious areas of information security is industrial system security.
No other area of information security contains that many myths, mistakes, misconceptions
and outright lies. Information available online, while voluminous, will
only lead information security professionals and industrial systems...

There is probably no invention in the history of mankind that had such a profound impact on our lives in such a short time as the World Wide Web. Twenty years ago, Tim Berners-Lee has developed the first versions of HTML which allowed to weave documents into the large hypertext document that we know today. It was soon realized that...

The technology of voice over IP provides for making telephone calls over data networks such as the Internet and it has now reached critical mass. I know this because as a technology instructor I spend more and more time teaching Voice over IP or “VoIP.” I wrote this book because I couldn’t find any material suitable...

When I first discovered DMVs, I was enthralled because they made many difficult things so easy. It was simple to identify, typically within seconds, the core performance problems that affect SQL Server databases. For example, I could quickly discover which queries were taking the longest time to run, which indexes were missing, and...

TO THOSE OF US WHO PAY ATTENTION to such things, the world of software development has changed a lot in the last few years. In the .NET world, Microsoft’s Visual Studio 2010 is undoubtedly the most successful development environment. Since the release of the fi rst .NET version in February 2002, this product has undergone dramatic...

PowerShell is a scripting language built into Windows Server 2008 R2 servers. PowerShell is designed to help you perform routine and repetitive tasks in a scriptable fashion. PowerShell helps alleviate many of the time-consuming and tedious tasks administrators have had to do in the past. You may have used various scripting technologies over...

This book is written for the “information worker” businessperson who already uses Microsoft Office applications such as Excel, Word, or Visio to accomplish his or her daily work. Today, information workers most often work in the collaboration environment of SharePoint, where their spreadsheets and documents are saved and...