G new tax laws or competitors as well as summarized

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Unformatted text preview: ring judgment, nonroutine decisions requiring judgment evaluation, and insight – Incorporate data about external events (e.g. new tax laws or competitors) as well as summarized information from internal MIS and DSS – Example: ESS that provides minute-to-minute ESS that provides minute view of firm’s financial performance as measured by working capital, accounts receivable, accounts payable, cash flow, and inventory bl fl Management Management Information Systems Chapter 2 Global E-Business: How Businesses Use Information Systems E- Types of Business Information Systems Model of an Executive Support System Suppo Syste This system pools data from diverse internal and external sources and makes them available to executives in easy-to-use form. Figure 2-6 Management Management Information Systems Chapter 2 Global E-Business: How Businesses Use Information Systems E- Types of Business Information Systems • Relationship of systems to one of systems to one another – TPS: Major source of data for other Major source of data for other systems – ESS: Recipient of data from lower-level Recipient of data from lower systems – Data may be exchanged between systems may be exchanged between systems – In reality, most businesses’ systems only loosely integrated loosely integrated Management Management Information Systems Chapter 2 Global E-Business: How Businesses Use Information Systems E- Types of Business Information Systems • Relationship of systems to one another The various types of systems in the organization have interdependencies. TPS are major producers of information that is required by many other systems in the firm, which, in turn, produce information for other systems. These different types of systems are loosely coupled in most business firms, but increasingly firms are using new technologies to integrate information that resides in many different systems. Management Management Information Systems Chapter 2 Global E-Business: How Businesses Use Information Systems E- Systems That Span the Enterprise • Enterprise applications • Span functional areas • Execute business processes across firm • Include all levels of management • Four major applications: • • • • Enterprise systems Supply chain management systems Customer relationship management systems Knowledge management systems Management Management Information Systems Chapter 2 Global E-Business: How Businesses Use Information Systems E- Systems That Span the Enterpris...
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