William Stallings Computer Organization and Architecture 7 th Edition. Chapter 7 Input/Output James Chung Andrew Rosales JB Monteleone. What is an I/O Module?.
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William Stallings Computer Organization and Architecture7th Edition
Q1) Name one reason why the peripheral shouldn’t be connected right to the system bus?
1) There are too many peripherals with many methods of operations and putting it on the processor would be impractical.
2)the data transfers are either too slow with the peripherals than of either the memory or processor or vice versa
3)peripherals often use different formats
Q2) What is an I/O Module?
a set of mechanical connectors that wire a device into the system bus, but is also contains logic for performing a communication function between the peripheral and bus.
Q3) What is not a part of Processor Communication?
a. Status Reporting
b. Command Decoding
c. Address recognition
d. Bob LaLaw
Q4) How Many Steps are there for an I/O Transfer?
5 Steps or 6 Steps