In the case of three-tier architecture, the tiers are as follows: Presentation tier (also known as the user interface or the client application) Business logic tier (also known as the application server) Data storage tier (also known as the database server)
This was on google i take no credit for this work
Btw I don´t know if this is what u want
Answer:
The answer is "2"
Explanation:
In the given question, the answer is "2" because if the user is new. so very first, the user creates its account and after creating his account, he will update his account value.
When the user creates its account, the value will be 1, and when he updates its account value. so, the value will be 2, that's why 2 is the correct answer.
Answer:
» Microsoft word ( word processing )
» Microsoft powerpoint ( presentation )
» Microsoft access ( database mamagement )
» Microsoft excel ( spread sheets )
Explanation:

The correct debugged code is attached below
<h3>What is a leap year </h3>
A leap year is a year with 366 days and this year occurs once every 4 years. The debugged code line of code of the program written, is as attached below. because the line of code in the question lacks some functions and symbols
Hence we can conclude that the correct debugged code is attached below.
Learn more about Python coding : brainly.com/question/16397886
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The answer to your question is true.