it is a rar file.A three-tiered architectural approach separates the various components of a client/server system into three tiers of services. The user services, business and other middle tier services, and data services are the logical tiers that collaborate in an application

OOSD UML Diagrams\ATM System\ATM SYSTEM.zip
.................\Character Recognition System\Character Recognition.rar
.................\.ourse Registration System\Course registration System.docx
.................\e-Shopping\e shopping.zip
.................\Hospital Mgmt System\Hospital Mgmt System.zip
.................\.R process\UML DIAGRAMS.pdf
.................\Library mgmt system\online library management.rar
.................\Online Bidding\Online Bidding.doc
.................\.......Ticket Reservation System\Rational Rose - ACTIVITY DIAG.pdf
.................\................................\Rational Rose - class_diag_rail.pdf
.................\................................\Rational Rose - class_railway.pdf
.................\................................\Rational Rose - collaboration_diag_rail.pdf
.................\................................\Rational Rose - SEQ_CANC.pdf
.................\................................\Rational Rose - SEQ_ENQ.pdf
.................\................................\Rational Rose - SEQ_RESV.pdf
.................\................................\state_cancellation.pdf
.................\................................\state_inquiry.pdf
.................\................................\state_reservation.pdf
.................\Payroll System\project.doc
.................\Stock Maintanance System\stockmaintancesystem.doc
.................\..udents Marks Analysis\SMA2.doc
.................\ATM System
.................\Character Recognition System
.................\Course Registration System
.................\e-Shopping
.................\Hospital Mgmt System
.................\HR process
.................\Library mgmt system
.................\Online Bidding
.................\Online Ticket Reservation System
.................\Payroll System
.................\Stock Maintanance System
.................\Students Marks Analysis
OOSD UML Diagrams

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