1. Introduction to Web Applications Programming Lab : II MS (IT)

2. What is a Web Application? Accessed with a web browser over a network i.e. internet or intranet Browser acts as a client, may be a thin client Interacts with server and includes all business logic

3. Web applications - Categories Web mails E- Governance Online Auctions Education and E- Learning Business : Finance, Supply chain, BFSI Workflow : HR, Organization level processes Entertainment : Video on demand DSS : MIS and Policy Decisions Discussion boards Search engines

4. Auction sites: eBay Yahoo! Auctions Buy Sell Bid Online payments

5. Auction sites

6. Information Dissemination and E- Governance Governance or electronic governance may be defined as delivery of government services and information to the public using electronic means Citizen charters, Citizen helps, Information and guidelines on various queries Guidelines Form download Online form submission ( e.g. IT Returns) Information about departments and offices Interdepartmental links

7. Information Dissemination and E- Governance

8. Education and E- learning Interactive learning sessions on different topics Exit tests and assessments Ready to use examples Used in higher studies now : Includes video conference for lecture delivery Can have heavy graphics, video streams and sound files

9. Education and E- learning

10. Business: Banking and finance Banking/finance related information Customer care Small utility applications e.g. interest calculator Online query processing Online transaction Balance transfer

11. Business: Banking and finance

12. Workflow Applications Workflow: Workflow is the operational aspect of a work procedure- how tasks are structured, who performs them, what their relative order is, how they are synchronized, how information flows to support the tasks and how tasks are being tracked e.g. Loan process : Request – Appraisal – Approval – Disbursement Application: Process execution e.g. Opening an account in a bank HR Related activities e.g. Leave Process E- Governance – Paper less office

13. Decision Support System A Decision Support System (DSS) is an interactive computer-based system or subsystem intended to help decision makers use communications technologies, data, documents, knowledge and/or models to identify and solve problems, complete decision process tasks, and make decisions Decision Support System is a general term for any computer application that enhances a person or group’s ability to make decisions e.g. Price evaluation / estimation – commodity market, share market Rainfall data analysis and forecasting for disaster management Financial analysis and forecasting – what will be trend of market and indices?

14. Other web applications Entertainment websites –Music –Movies –Video streaming and downloads Discussion boards - Rediff, Media websites like NDTV Search engines –Google, MSN

15. A typical web application