Microprocessor2080.15 marksDirect Memory Access
What is the importance of direct memory access? Explain the mechanism of direct memory access.
What is the importance of direct memory access? Explain the mechanism of direct memory access. [5]
Direct Memory Access (DMA) is a technique that allows external I/O devices to communicate directly with the memory without involving the processor every time. Its importance includes: 1. Frees the CPU: The CPU does not need to supervise every data transfer between I/O devices and memory, allowing...