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(1) Show the DMA steps of sending emoticons (2KB) in KakaoTalk and the process state in each step. Describe the steps in detail. Assume

(1) Show the DMA steps of sending emoticons (2KB) in KakaoTalk and the process state in each step. Describe the steps in detail. Assume that network device is accessed via memory-mapped I/O, and DMA controller and network device are connected each other. Also the network device can transmit 1KB at a time.

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