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A dairy factory a) Explain how port address is changed with the change in address lines of 8085 connected with 8255. b) How do you initialize a control word for 8255? c) Write a program to read data from port B and display at port A and also, data from port Cu to C

A dairy factory a) Explain how port address is changed with the change in address lines of 8085 connected with 8255. b) How do you initialize a control word for 8255? c) Write a program to read data from port B and display at port A and also, data from port Cu to C

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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A dairy factory uses an 8255 PPI card at base address 5000 H. a) Explain how port address is changed with the change in address lines of 8085 connected with 8255. b) How do you initialize a control word for 8255? c) Write a program to read data from port B and display at port A and also, data from port Cu to CL.
Transcribed Image Text:A dairy factory uses an 8255 PPI card at base address 5000 H. a) Explain how port address is changed with the change in address lines of 8085 connected with 8255. b) How do you initialize a control word for 8255? c) Write a program to read data from port B and display at port A and also, data from port Cu to CL.
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