What is web based information system? Advantages and disadvantages of web-based information systems?

Electronic commerce (E-commerce)

Web based information system:

An important component of modern computer based information system is web based information system. An information system based on the Internet is called a web-based information system. That is, when a user can use an information system through the Internet and the World Wide Web, that information system is called a web-based information system. A user of an information system on the Internet is called an Internet client. In this case, the client can use this information system from anywhere in the world by being connected to the Internet. Web based database is used in this system. When an Internet client sends an information request, the Web server verifies the client's right to receive the information in response to the request and sends the requested information to the client if it is a valid client. With the help of web based information system, the data of an organization can be collected, stored, presented, modernized and information can be exchanged and processed from one organization to another. E-commerce, e-marketing etc. are developed based on internet technology. Due to the rapid expansion of the World Wide Web, the use of web-based information systems and hypermedia documents is increasing day by day. Proper operation of web based information systems requires the use of satellite networks or wireless networks or telecommunication networks such as Internet, intranet and extranet. A network consists of computers, communication processors, modems and other devices. These are controlled by communication software. Software applications required by information systems are kept on servers. An application server sits between the web server and the database server. The user accesses the application server's information through the web server.

Advantages of web based information system:

(i) Web based information systems can be accessed from anywhere in the world with an internet connection.

(ii) Always keep the data in this information system up to date.

(iii) User feedback is instantly available in information systems. As a result, it is easy to modify, extend and refine the system according to the user's needs.

(iv) System maintenance can be done online.

(v) This system can also be used through smart mobile phones.

Disadvantages of web based information system:

(a) Information systems are constantly exposed to security risks. Can be damaged by hackers at any time.

(b) These web based information systems cannot be accessed from remote locations without an Internet connection.

(c) System efficiency depends on network infrastructure, number of users, performance of servers and software.