Information Systems for Business and Beyond (2019)

Client-Server Client-server computing provides stand-alone devices such as personal computers, printers, and file servers to work together. The personal computer originally was used as a stand-alone computing device. A program was installed on the computer and then used to do word processing or calculations. With the advent of networking and local area networks, computers could work together to solve problems. Higher-end computers were installed as servers, and users on the local network could run applications and share information among departments and organizations. Intranet An intranet, as the name implies, provides web-based resources for the users within an organization. These web pages are not accessible to those outside the company. The pages typically contain information useful to employees such as policies and procedures. In an academic setting the intranet provides an interface to learning resources for students. Extranet Sometimes an organization wants to be able to collaborate with its customers or suppliers while at the same time maintaining the security of being inside its own network. In cases like this a company may want to create an extranet , which is a part of a company’s network that can be made available securely to those outside of the company. Extranets can be used to allow customers to log in and place orders, or for suppliers to check their customers’ inventory levels. Information Systems for Business and Beyond (2019) pg. 106

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