What is DMA in computer architecture?
Understand the Problem
The question is asking for an explanation of Direct Memory Access (DMA) within the context of computer architecture, which involves understanding its purpose, functioning, and significance in system design.
Answer
Direct Memory Access (DMA) allows devices to transfer data directly to and from memory without CPU involvement.
Direct Memory Access (DMA) is a feature in computer architecture that allows hardware devices to transfer data directly to and from memory without involving the CPU.
Answer for screen readers
Direct Memory Access (DMA) is a feature in computer architecture that allows hardware devices to transfer data directly to and from memory without involving the CPU.
More Information
DMA improves system efficiency and performance by freeing the CPU from being involved in data transfer processes between memory and peripherals, allowing the CPU to handle other tasks.
Tips
A common mistake is confusing DMA with CPU-based data handling. DMA provides a way to bypass the CPU, unlike direct data handling that requires CPU cycles.
Sources
- What is Direct Memory Access (DMA)? - Definition from Techopedia - techopedia.com
- Direct Memory Access (DMA): Working, Principles, and Benefits - spiceworks.com
- Direct Memory Access - Wikipedia - en.wikipedia.org
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