Answer / rahul

In a modern two-tier architecture, the server holds both the application and the data. The application resides on the server rather than the client, probably because the server will have more processing power and disk space than the PC.

In a three-tier architecture, the data and applications are split onto seperate servers, with the server-side distributed between a database server and an application server. The client is a front end, simply requesting and displaying data. Reason being that each server will be dedicated to processing either data or application requests, hence a more manageable system and less contention for resources will occur

Answer / narandra

2-tier Architecture : contain only "back end", ex : super
market.
2-tier Architecture : contain "front end" and "back end",
ex :any bank application

Answer / purushotham

2 tier acrh means that 5 IBM engineers have developed SAP R/3
sap means system application in product in data processing.r means real time
3 means architecture earlier all manuf company are using one tier R/1 in 1970s where all the activities are taken single software are department.which ever is the concern (for example take a paper and write single tier cycle there make 3 division on the single tier and put it as application,presentation,implementation.this exactly that tells all departments are running in one tier if any thing went wrong every thing will be courpted ,. the same system

they developed in 1980s called R/2 version.

that make a example of bicycle in one tier application were running at the same time,, another tier was presentation and implementation this done because to over cum from the errors
if error have encountered in application they can easliy find it out.

latter version 1990 is R/3 that three is having different tier for example auto rickshaw,.. i hope tht u ill understand this one

Answer / kumari sri

2-tier architecture : In this
architecture presentation
layer,business layer wil be
availiable in one system and
database layer is availiable in
server.
3-tier architecture : in this
architecture presentation
layer in one system,b layer
in one server, d layer in
another server.

If u have any doubts mail me
kumarisri18@gmail.com

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