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These presentations are created by Tushar B Kute to teach the subject 'Management Information System' subject of TEIT of University of Pune.http://www.tusharkute.com
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MANAGEMENT INFORMATION SYSTEM
Third Year Information Technology
Part 17Cross-Functional Enterprise Systems
Tushar B Kute,Sandip Institute of Technology & Research Centre, [email protected]
E-COMMERCE VS. E-BUSINESS
CROSS-FUNCTIONAL ENTERPRISE SYSTEM It is a group of people with different
functional expertise working towards a common goal.
It may include the people from finance, marketing, operations, human resources. Typically, it includes employees from all levels of an organization.
Cross-functional enterprise system often function as self-directed enterprise systems responding to broad, but not specific directives.
EVOLUTION
Task Orientati
on
Functional
Orientation
Cross-functional system
APPLICATION FRAMEWORKS
Customer Relationship Management Supply Chain Management Selling Chain Management Enterprise Resource Management Enterprise Application Integration E-procurement Knowledge Management Decision Support Business Intelligence
CROSS-FUNCTIONAL SYSTEM ARCHITECTURE
Supplier
SCM
ERP
EAI
CRM
SeCM
Know
led
ge
Managem
en
t
Part
ner
Rela
tion
ship
M
anagem
en
t
Em
plo
yees
Bu
sin
ess P
art
ners
Customer
COLLABORATION SYSTEM IN MANUFACTURING
It is designed for one basic purpose, to help unite employees or people that are working on similar task, or it could be the exact task and system helps unite them to complete their task and achieve whatever goal that task sets out to do.
E.g. Slovak, Instant Messaging
ENTERPRISE COLLABORATION SYSTEM Communicate Coordinate Collaborate and Cooperation
TOOLS USED
Electronic mail Voice mail Bulletin board systems Fax Video conferencing tools
COLLABORATION SYSTEM IN MANUFACTURING
Structured collaboration system Easier to organize Excellent for hierarchical organizations Increases proficiency
Limitations of structured collaboration system Same workflow information Can cause groupthink Encourages lack of creativity
ENTERPRISE APPLICATION INTEGRATION The use of software and computer
systems architectural principles to integrate a set of enterprise computer applications.
It is an integration framework composed of collection of technologies and services which form a middleware to enable integration of systems and applications across the enterprise.
TRANSACTION PROCESSING SYSTEMS A transaction processing system is a type of
information system. TPSs collect, store, modify, and retrieve the transactions of an organization.
A transaction is an event that generates or modifies data that is eventually stored in an information system.
The essence of a transaction program is that it manages data that must be left in a consistent state. E.g. if an electronic payment is made, the amount must be both withdrawn from one account and added to the other; it cannot complete only one of those steps
SINGLE-USER SYSTEM
Presentation Services - displays forms, handles flow of information to/from screen
Application Services - implements user request, interacts with DBMS
ACID properties automatic (isolation is trivial) or not required (this is not really an enterprise)
presentation applicationservices services
DBMS
user module
centralized system
CENTRALIZED MULTI-USER SYSTEM
Dumb terminals connected to mainframe Application and presentation services on
mainframe ACID properties required
Isolation: DBMS sees an interleaved schedule
Atomicity and durability: system supports a major enterprise
Transaction abstraction, implemented by DBMS, provides ACID properties
CENTRALIZED MULTI-USER SYSTEM
user module
central machine
presentation applicationservices services
presentation applicationservices services
• •
•
communication
DBMS
dumb terminal
TRANSACTION PROCESSING IN A DISTRIBUTED SYSTEM
Decreased cost of hardware and communication make it possible to distribute components of transaction processing system Dumb terminal replaced by computers
Client/server organization generally used
TWO-TIERED MODEL OF TPS
DBMS
database servermachine
presentation applicationservices services
presentation applicationservices services
• •
•
client machines
communication
THREE-TIERED MODEL OF TPS
DBMS
database servermachine
presentationserver • •
•
client machines
communication
presentationserver
applicationserver
application servermachine
FEATURES
Rapid response Reliability Inflexibility Controlled processing
TYPES
Batch processing Real time processing
REFERENCES
Waman Jawadekar, "Management Information Systems Text & Cases- A Digital Firm Perspective” , 4th Edition, Tata McGraw-Hill Education Private Limited.
Tushar B Kute,Sandip Institute of Technology & Research Centre, [email protected]
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