Q4 – How can information systems enhance supply chain performance?
• Supply chains are networks of organizations and facilities that transform raw material into products delivered to customers. The diagram below depicts supply chain relationships.
Supply Chain Relationships
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characteristics of the three major cross-functional systems?
• There are three major cross-functional systems: customer relationship management, enterprise resource planning, and enterprise application integration.
• A Customer Relationship Management ( CRM ) system offers these benefits:
• Integration of primary business activities
• Tracking of all customer interactions
• Storage of customer data in single a database
• Support of customer life cycle.
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Q6 – What are the functions and characteristics of the three major cross-functional systems?
• The second type of cross-functional system is an
Enterprise Resource Planning ( ERP ) System that provides more integration than a CRM by integrating primary value chain activities with human resources and accounting support activities across the enterprise.
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ERP Systems and the Value Chain

Q6 – What are the functions and characteristics of the three major cross-functional systems?


The characteristics of an
ERP system are presented in figure to the right.
The benefits of an ERP are presented in figure below.
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Q6 – What are the functions and characteristics of the three major cross-functional systems?
 Here are the required tasks to implement an ERP system:


 determine current and ERP models remove inconsistencies implement the ERP system .
ERP Implementation
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characteristics of the three major cross-functional systems?
• An Enterprise Application Integration ( EAI ) System is the third type of cross-functional system.
– When an ERP system is inappropriate for an organization, it can still integrate its existing systems through layers of software that connect applications together.
– EAI systems enable a business’s existing applications to communicate and share data, providing many of the benefits of a cross-functional system without some of the disadvantages.
– A business can leverage its existing systems while enabling a gradual move to a more complicated ERP system.
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