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.

Unit-I

1)Explain the various methodologies by which you can retrieve data from Internet?

Internet Search Engine

Protocols used to retrieve the Data

i)FTP –Concepts

Commands &Semantics

Anonymous FTP

ii)TELNET

Network Virtual Treminal

Commands *Control Functions

Negotiable Options

iii)HTTP

iv)TFTP (16)

2)Explain about SGML?

Introduction

Basic Principles

Concepts of Logical Markup

Components of SGML

Defining your own Tag sets

Defining The Attributes of elements (16)

3)What is meant by Scripting Language?Explain any one of the Scripting Languages?

Definition-To create Dynamic Web content.

Eg:VB Script & Java Script

Introduction about VB Script

Functions of VB Script

VB Script Execution Environment

Embeding VB Script in to HTML.

Objects & Events.

Manipulating VB Script Variables with Operators.

Functions & Procedures. (16)

4)Explain about <TABLE> &<FRAME> tags in Detail?

Code for Basic HTML Table

<TABLE>

<TR>----------</TR> <!---Row1--->

<TR>----------</TR> <!---Row2-->

-------------------------

<TR>----------</TR> <!---Rowm-->

</TABLE>

Creating a Table cell.

i)Header cell

ii)Data cell

Table Alifnment

i)Aligning the Entiere Table

ii)Alignment within a row.

ii) Alignment within a cell.

Spanning Multiple Rows & Columns

<FRAMES>

Creating the <FRAMESET> tag

Creating the <FRAME> tag

Eg:<FRAMESET Rows=”10%,80%,10%”>

<FRAME name=”top” src=”a.html”>

<FRAME name=”mid”src=”b.html”>

<FRAME name=”bot” src=”c.html”>

</FRAMESET> (16)

5)Discuss about various Client Server Technologies in Internet?

Introduction about Client/Server Model

Building Entities

i)Application Server

ii)Database Server

iii)Transaction Server

Various Client Server Model.

Archietecture of Web based Client Server.

6)Explain th econcept of ImageMaps by means of HTML?

Definitions for imagemaps.

To place an image on a map.

<IMG> tag

Attributes used

Concept of <ISMAP>-Server side Image Map

<USEMAP>-Client Side Image Map.

<MAP> ,<AREA> & attributes used.

Unit-II

7)Design a HTML Form for aRailwaay Reservation System?

<FOTRM METHOD=”Post” ACTION=http://server name/directory name/Script

name><HR>

PASSENGER NAME:

<INPUT TYPE=”Text” Name=” first” MAXLENGTH=” 24”<BR>

ADDRESS:

<INPUT TYPE=”Text” Name=” add” MAXLENGTH=” 24”<BR>

CITY:

<INPUT TYPE=”Text” Name=” city” MAXLENGTH=” 24”<BR>

STATE:

<INPUT TYPE=”Text” Name=” state” MAXLENGTH=” 24”

ZIP: <INPUT TYPE=”Text” Name=” first” MAXLENGTH=” 24”<BR>

</HR>

<INPUT TYPE=” submit” value=” reserve”></FORM>

8)Explain the various Specifics of SMTP Protocol?

Operational Scenario.

Command Semantics & Procedures

Forwaring of Messages.

Example of Forwarding (16)

9)Explain the concept of Session Tracking thyrough Srervlets?

Concept of Session Tracking

Coding &explanation.

Public void dopost(HttpServletRequest req,HttpServletResponse res) throws

SrevletException ,IO Exception

{

//Get user‟s Session object

// Create session of (true) if one doesn‟t exist

HttpSession ses=req.getsession(true);

//add a value for user‟s choice to session

//send HTML page to client

output.close(); //close stream

}

Public void doget(HttpServletRequest req,HttpServletResponse res) throws

SrevletException ,IO Exception

{

//Get user‟ s Session object

//Don‟ t Create session of (false) if one doesn‟ t exist

HttpSession ses=req.getasession (false);

//get name of session object value

if(session!=null)

value=ses.getvalueName();

else

value=null;

//get value for each name in valuenames.

//close stream

} (16)

10) Explain E-Mail Messaging Model?

Definition for Messaging

Relation between Clients,E-mail servers & Intrenet

Building Blocks

i)User Agents

ii)Message Transfer Agents

Entities

i)Message Streams.

ii)Gateways.

11)Explain how the following Operations are handled in PERL?

i)File Handling ii)database Handling iii)Cookies

i)<STDIN>-Perl defined File handle points to standard input device for reading

<STDOUT>- Perl defined File handle points to standard output device & writing

while($line=<STDIN>

{

print” $line” ;

last if($line eq “quit” );

}

ii)while($dbÆFetchrow())

{

% data=$dbÆdataHash();

print “$data{“authid” },$data{“auth” };

}

iii)Syntax:

name=value; expires=expdata;

coding:

use CGI qw/:standard

$name=param(Name);

$expires=”Monday,5-May-06,16:00:00”

print “Name” ,”=” ,” $Name” ;expires=” $expires;

12)Explain the concept of working of a CGI?

Definition of Common Gateway Interface

CGI Script Structure,

Request Methods used

i)GET

ii)POST

URL Encoding &Decoding

CGI Environmental Variables