course4資訊系統(tǒng)在實務上的應用-文庫吧
2025-04-21 01:38 本頁面
【正文】 entory system maintains the inventory records ? The billing system prepares the customer invoices, and ? The accounts receivable system collects the money from the customers ? Figure expands Process 1 shown in the Figure 0 diagram, and is called a Figure 1 diagram 10 11 Systems That Order Replenishment Stock ? The subsystems concerned with ordering replenishment stock from suppliers are shown in Figure , which is called a Figure 2 diagram since it explodes Process 2 of the Figure 0 diagram ? The purchasing system issues purchase orders to suppliers for the needed stock ? The receiving system receives the stock, and ? The accounts payable system makes payment 12 13 Systems That Perform General Ledger Processes ? Figure shows the detail for the last of the three processes in the Figure 0 diagram ? The general ledger system is the part of the accounting system that bines data from other accounting systems to present a posite financial picture of the firm. Two subsystems are involved: ? The update general ledger system posts records that describe the various actions and transactions to the general ledger ? The prepare management reports system uses the contents of the general ledger to prepare the balance sheet and ine statement 14 15 ORGANIZATIONAL INFORMATION SYSTEMS ? Other specialized information systems used in a firm include the marketing information system (MKIS) and the human resources information system (HRIS) ? Another IS that is implemented at the anizational level is the executive information systems (EIS), used by upper level managers in an anization ? The MKIS, HRIS, and EIS are described below. 16 The Marketing Information System ? An MKIS is made up of input and output subsystems connected by a database (Figure ) ? The Input Subsystems are: ? Transaction processing system ? The marketing research subsystem ? The marketing intelligence subsystem ? Each output subsystem provides informat
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