Information system applications:
1. Business support.
2. E-commerce.
3. Security.
1. Business support systems:
Different types of information systems are used by the various management levels of an organization. They support the objectives of the business by increasing the efficiency of business processes, cutting supply costs, improving levels of customer service and improving managerial decision-making.
Applications at Different Management Levels:
1. Transaction Processing Systems:
Common modules of a TPS include:
• Order processing: orders for goods or services can enter the system from customers, salespeople, or other internal departments.
• General ledger: details of all transactions affecting the accounts of the company are recorded to simplify bookkeeping and reporting.
• Accounts payable and receivable: data generated from buying orders can be used to improve debt collection and cash flow.
• Inventory(قوائم الجرد) management: IS is commonly used for tracking of materials and for linking the organization to suppliers.
• Payroll(الرواتب): employee details, pays, etc.
2. Management Information Systems:
Management Information Systems (MIS) are systems that use the data generated by the TPS to help lower and middle management in their decision making. MIS use a variety of techniques to process, summarize and present the information in the form of useful reports: tables, statistics, graphics, etc.
3. Decision Support Systems
Decision Support Systems (DSS) are systems that assist managers with very specific types of decision-making situations. The next Figure illustrates the various steps of the typical decision making process.
المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .
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