Abstractions are the keystone of the dynamic ecosystem of information and communication technology. You can think of them as allowing you to drive a car without understanding how the engine or ...

Virtualization technology, whereby multiple operating systems can be run on shared hardware, is extremely well understood if somewhat inefficient in its use of resources. Just a few decades ago, ...

Cross-platform software is the norm today. In many cases, developers don't have to consider what operating system their apps will be deployed on, because apps tend to be more or less platform-agnostic ...