Question: This figure illustrates the basic architecture for the three tier database system. This system can be viewed as an IPO system. a) What is the

This figure illustrates the basic architecture for the three tier database

This figure illustrates the basic architecture for the three tier database system. This system can be viewed as an IPO system.

a) What is the input for this system?

b) What environmental elements generates the input? (Hint: the Web browser computer is within the system boundary.)

c) What is the expected output from this system?

d) What environmental element receives the output?

e) Briefly describe the processing that takes place in this system.

Three-Tier Database Architecture HTTP request HTTP response *CGI: Common Gateway Interface Web Server CGI request CGI response (HTML) Database Server Database

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