Home > Term: memory descriptor
memory descriptor
An object that describes how a stream of data, depending on direction, should either be laid into memory or extracted from memory. It represents a segment of memory holding the data involved in an I/O transfer and is specified as one or more physical or virtual address ranges. The object is derived from the IOMemoryDescriptor class. See also DMA, memory cursor
- Part of Speech: noun
- Industry/Domain: Software; Computer
- Category: Operating systems
- Company: Apple
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Creator
- Tom the translator
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