G inventory questions granting credit to customer

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Unformatted text preview: ess Information Systems Systems from a Constituency Perspective • Transaction processing systems • Serve operational managers • Principal purpose is to answer routine questions and to track the flow of transactions through the organization • E.g. Inventory questions, granting credit to customer • • Major producers of information for other systems • 2.30 Monitor status of internal operations and firm’s relationship with external environment Highly central to business operations and functioning Essentials of Business Information Systems Chapter 2 E-Business: How Businesses Use Information Systems Types of Business Information Systems Systems from a Constituency Perspective • Management information systems • Provide middle managers with reports on firm’s performance • To monitor firm and help predict future performance • • Provide weekly, monthly, annual results, but may enable drilling down into daily or hourly data • 2.31 Summarize and report on basic operations using data from TPS Typically not very flexible systems with little analytic capability Essentials of Business Information Systems Chapter 2 E-Business: How Businesses Use Information Systems Systems That Span the Enterprise How MIS Obtain Data from Organization’s TPS Figure 2-9 In the system illustrated by this diagram, three TPS supply summarized transaction data to the MIS reporting system at the end of the time period. Managers gain access to the organizational data through the MIS, which provides them with the appropriate reports. 2.32 Essentials of Business Information Systems Chapter 2 E-Business: How Businesses Use Information Systems Systems That Span the Enterprise Sample MIS Report Figure 2-10 This report, showing summarized annual sales data, was produced by the MIS in Figure 2-9. 2.33 Essentials of Business Information Systems Chapter 2 E-Business: How Businesses Use Information Systems Types of Business Information Systems Systems from a Constituency Perspective • D...
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This document was uploaded on 02/11/2014.

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