Anna University
DEPARTMENT OF INFORMATION TECHNOLOGY
IT1451 –WEB TECHNOLOGY
Regulation 2004
UNIT – V Two Marks with Answers
ON LINE APPLICATION
SUBJECT CODE : IT1451
SUBJECT NAME:WEB TECHNOLOGY
UNIT- 5
ON LINE APPLICATION
91. What is meant by Plug-in?
A hardware or software module that adds a specific feature or service to a larger system. The idea is that the new component simply plugs in to the existing system. For example, there are number of plug-ins for the Netscape Navigator browser that enable it to display different types of audio or video messages. Navigator plug-ins are based on MIME file types.
92. What do you mean by JDBC?
JDBC Part of the Java Development Kit which defines an application-programming interface for Java for standard SQL access to databases from Java programs.
93. Define ODBC.
It is a standard for accessing different databse systems. There are interfaces for Visual Basic, Visual C++, SQL and the ODBC driver pack contains drivers for the Access, Paradox, dBase, Text, Excel and Btrieve databases.
94. List any two keyboard events?
1. onKeypress
2 .onKeyUp
3. onKeyDown
95. List any two mouse events?
l. onMouseUp
2. onMouseDown
3. onMouseOver
4. onClick
96. Define virtual organization.
The virtual organization is defined as being closely coupled upstream with its suppliers and downstream with its customers such that where one begins and the other ends means little to those who manage the business processes within the entire organization.
97. List the major approaches to form virtual organization?
I. Downward networking: a large, vertically integrated company seeking to reduce its overhead by outsourcing initiates it
2. Lateral Approach: It is observed in small, specialized firms that in the interest of seeking strategic alliances, form partnerships along a value-added chain.
98. What do mean by search engine?
It is a program or web page that enables you to search an Internet site for a specific keywords or words.
99. List the features of online shopping.
1.Make it easy for you to browse and purchase as much as possible from their websites.
2.Products displayed from the online store are associated with links to detailed descriptions of the products
3.You are able to compare the product to similar products based on the features and pricing.
4.It also brings you to the web sites of the product manufacturer for more information.
5.Shopping sites want you to have a personal account created before you shop their site. The account typically provides the business with your name, address, e-mail, phone number and possibly credit card numbers.
6.Some online shopping sites offer free samples. For example, online music stores sometime have audio samplings of the CDs they sell
100. How do search engine work?
When you enter a keyword, the search engine examines its online database and presents to you a listing of sites that, in theory , match your search criteria.
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