2 mark question and answer for unit 5 Web Technology

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.