1. Calculate the time it takes to transfer the entire 7 pages of the data at a rate of 9600bps. Each page has 80x25 characters. Assume 8 but per character and 2 stop bit.
2. If the command register of an 8237 is loaded with 01, analyze the results and describe how does the controller operates?
3. Assume that the 8237 is programmed for the fixed priority. If DREQ2 and DREQ4 are activated at the same time, who gets serviced first?
2. If the command register of an 8237 is loaded with 01, analyze the results and describe how does the controller operates?
3. Assume that the 8237 is programmed for the fixed priority. If DREQ2 and DREQ4 are activated at the same time, who gets serviced first?