An information system is comprised of all the components that collect, manipulate, and propagate data or information. It usually includes hardware, software, people, communications systems, and the data itself. The activities involved include inputting data, processing of data into information, storage of data and information, and the production of outputs such as management reports.
Information systems support business processes and operations by:
Recording and storing sales data, purchase data, investment data, payroll data and other accounting records.
Recording and storing inventory data, work in process data, equipment repair and maintenance data, supply chain data and other production/operations records.
Recording and storing market data, customer profiles, customer purchase histories, marketing research data, advertising data, and other marketing records.
To implement, control, and monitor plans, strategies, tactics, new products, new business models or new business ventures
Information systems often support and occasionally constitute competitive advantages. Information systems, like business environmental scanning systems, support almost all sustainable competitive advantages. Occasionally, the information system itself is the competitive advantage. One example is Wal-Mart. They used an extranet to integrate their whole supply chain.
E-commerce can be viewed as the conduct of business commercial communications and management by using Internet technologies and through electronic methods, such as electronic data interchange (EDI) and automated data-collection systems. It may also involve the electronic transfer of information between businesses (EDI). E-business, on the other hand, has come to refer to the automation of an organization’s internal business processes using Internet and browser technologies
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