data source and sink造句

• Once tied to data sources and sinks, it is called a  flow.
• While this enables high-speed and low-latency communication between data sources and sinks without unnecessary copying ( such as between a video camera and a software video recording application, or between a disk drive and the application buffers ), this can also be a security or media rights-restriction risk if untrustworthy devices are attached to the bus and initiate a DMA attack.