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3. Explain the role of device controller. How is device controller managing the process of transferring the data from I/O devices to CPU and vice versa. 10 Port 10 Device 1 CPU Device Controller (Multi-port) 10 Port 10 Device Path not involving DMA Figure 1.0 Memory ↑ t 1 1 1 L DMA path Device Controller (Single-port) 10 Port 10 Device System bus

3. Explain the role of device controller. How is device controller managing the process of transferring the data from I/O devices to CPU and vice versa. 10 Port 10 Device 1 CPU Device Controller (Multi-port) 10 Port 10 Device Path not involving DMA Figure 1.0 Memory ↑ t 1 1 1 L DMA path Device Controller (Single-port) 10 Port 10 Device System bus

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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3. Explain the role of device controller. How is device controller managing the process of transferring the data from I/O devices to CPU and vice versa. 10 Port 10 Device 1 CPU Device Controller (Multi-port) 10 Port Device Path not involving DMA Figure 1.0 Memory At 1 T 1 1 T I DMA path Device Controller (Single-port) 10 Port 10 Device System bus
Transcribed Image Text:3. Explain the role of device controller. How is device controller managing the process of transferring the data from I/O devices to CPU and vice versa. 10 Port 10 Device 1 CPU Device Controller (Multi-port) 10 Port Device Path not involving DMA Figure 1.0 Memory At 1 T 1 1 T I DMA path Device Controller (Single-port) 10 Port 10 Device System bus
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