4. Answer questions (1) For CPU, what do "BIU" and "EU" stands for? Please explain their functions respectively. (2) List all 16-bit registers in the BIU and EU of the 8086 CPU. (3) Give the main control signals when 8086 CPU read data from memory.

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
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4. Answer questions
(1) For CPU, what do "BIU" and "EU" stands for? Please explain their
functions respectively.
(2)
List all 16-bit registers in the BIU and EU of the 8086 CPU.
(3) Give the main control signals when 8086 CPU read data from memory.
(4) List 5 addressing modes of 8086 instructions, and give an example for each.
(5) How many methods used by 8088 CPU to access data from I/O ports? Please name
every one.
Transcribed Image Text:4. Answer questions (1) For CPU, what do "BIU" and "EU" stands for? Please explain their functions respectively. (2) List all 16-bit registers in the BIU and EU of the 8086 CPU. (3) Give the main control signals when 8086 CPU read data from memory. (4) List 5 addressing modes of 8086 instructions, and give an example for each. (5) How many methods used by 8088 CPU to access data from I/O ports? Please name every one.
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(4) List 5 addressing modes of 8086 instructions, and give an example for each.
(5) How many methods used by 8088 CPU to access data from I/O ports? Please name
every one.
Transcribed Image Text:(4) List 5 addressing modes of 8086 instructions, and give an example for each. (5) How many methods used by 8088 CPU to access data from I/O ports? Please name every one.
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