A child being immunized against polio. Immunization, or immunisation, is the process by which an individual's immune system becomes fortified against an agent (known as the immunogen). When this system is exposed to molecules that are foreign to the body, called non-self, it will orchestrate an immune response, and it will also develop the ability to quickly respond to a subsequent encounter because of immunological memory.
Windows Audio Device Graph Isolation is an audio file for recent versions of Windows that prevents other applications from modifying audio-related content and plug-ins. The application also serves as the audio engine for Windows.
Audio Device Technologies. This section contains information about audio device technologies such as Universal Audio Architecture (UAA) and High Definition Audio (HD Audio). Default Audio Endpoint Selection in Windows 7. Describes how the Windows 7 audio subsystem selects the default audio endpoint.