In which type of I/O does the CPU execute special instructions to read and write the I/O ports? a. memory-mapped 1/0

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter3: Data Representation
Section: Chapter Questions
Problem 11VE: Most Intel CPUs use the __________, in which each memory address is represented by two integers.
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H. data
register
In which type of I/O does the CPU execute special instructions to read and write the I/O ports?
a. memory-mapped
1/0
b. DMA-controlled
1/0
c. port-mapped
I/O
d. programmed
I/O
H
55
Transcribed Image Text:H. data register In which type of I/O does the CPU execute special instructions to read and write the I/O ports? a. memory-mapped 1/0 b. DMA-controlled 1/0 c. port-mapped I/O d. programmed I/O H 55
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