Define activity in information systems8/31/2023 ![]() ![]() 1 under Information SystemĤ4 U.S.C., Sec. 3502 NIST SP 800-39 under Information SystemĤ4 U.S.C., Sec. 3502 NIST SP 800-137 under Information SystemĤ4 U.S.C., Sec. Sources: FIPS 200 under INFORMATION SYSTEMĤ4 U.S.C., Sec. Further ClassificationĪn information system can be categorized based upon activity into strategic planning system, tactical information system and operational information system.A discrete set of information resources organized for the collection, processing, maintenance, use, sharing, dissemination, or disposition of information. Decision support system provides information to manager facilitating specific issue related solution. Management information system provides information to manager facilitating the routine decision-making process. Management support systems are essentially categorized as management information system, decision support system, expert system and accounting information system. A system which facilitates an efficient decision making process for managers is called management support system. Managers require precise information in a specific format to undertake an organizational decision. A system which enables collaborative effort by improving communication and sharing of data is referred to as an enterprise collaboration system. In recent times, there is more stress on team effort or collaboration across different functional teams. This kind of systems is referred as process control systems. In this type of system, critical information is fed to the system on a real-time basis thereby enabling process control. In a manufacturing organization, certain decisions are made by a computer system without any manual intervention. These transactions can be categorized into batch transaction processing, single transaction processing and real time transaction processing. Across which following transaction may occur sales order, sales return, cash receipts, credit sales credit slips, material accounting, inventory management, depreciation accounting, etc. Typical organizational departments are Sales, Account, Finance, Plant, Engineering, Human Resource and Marketing. In manufacturing organization, there are several types of transaction across department. The operation support system is further divided into a transaction-processing system, processing control system and enterprise collaboration system. The purpose of the operation support system is to facilitate business transaction, control production, support internal as well as external communication and update organization central database. Such a system is called operation support system. reports, which are utilized by internal and or external users. In an organization, data input is done by the end user which is processed to generate information products i.e. Therefore, an information system in an organization can be divided into operations support system and management support system. In any given organization information system can be classified based on the usage of the information. Information processing consists of input data process, data storage, output and control.ĭuring input stage data instructions are fed to the systems which during process stage are worked upon by software programs and other queries.ĭuring output stage, data is presented in structured format and reports. ![]()
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