There are four major components of EDI. They are
(i) Standard document format
(ii) Translator and Mapper
(iii) Communication software
(iv) Communication network

Non-repudiation: Repudiation refers to any act of relinquishing responsibility for a message. Non-repudiation ensures that the signer who digitally signed the document cannot deny having signed it. The digitally signed documents strengthen its recipient integrity claims. Therefore, the recipient can strongly insist on the signature of the sender so as not to be easily denied at a later time.

SI NO	E-business	E-Commerce
1.	E-Business is the Conduct of business processes on the internet.	E-Commerce is commercial transaction through Internet
2.	E-Business is a superset of E-commerce	E-Commerce is a subset of E-business.
3.	It is used in the context of B2B transactions	It is more appropriate in the B2C context

National Resource Center for Free and Open Source Software is an institution of Government of FOSS in India. To Help in development of FOSS in India.

(i) Ethernet port is an opening which is a part of an Ethernet card.
(ii) It accepts RJ45 connector with Ethernet cable.
(iii) It is found on personal computers, laps routers, switches, hubs and modems.

The URL is divided into 2 types
(i) Absolute URL
(ii) Relative URL

(i) It provides mobility.
(ii) It provides connection to Internet.
(iii) Flexibility of LAN.
(iv) Ensures connectivity.
(v) Low cost, high benefits.

The common uses of computer network are
(i) Communication
(ii) Resource sharing
(iii) Information sharing

EXAMPLES:
(i) SELECT * FROM Customers;
(ii) SELECT CustomerName, City FROM Customers;
(iii) SELECT * FROM Customers WHERE Country='Mexico';
(iv) SELECT * FROM Customers WHERE Country=Germany' AND City='Berlin;
(v) DELETE FROM Customers WHERE CustomerName='Alfreds Futterkiste';

File handling is an important activity of all web application development process.

Syntax of 'for loop'
for (init counter; test counter; increment counter)
{
code to be executed;
}

Syntax:
if (condition)
{
        //True-block;
}
else
{
        //False-block;
}

(i) Values can be passed from one function to another function thru parameters.
(ii) The parameter is also called as arguments, it is like variables.
(iii) The arguments are mentioned after the function name and inside of the parenthesis.

Google chrome, Firefox, Safari, Opera, Internet Explorer, Netscape Navigator etc.

ACID Properties :
(i) The acronym stands for Atomicity, Consistency, Isolation and Durability.
(ii) Atomicity follows the thumb rule "All (or) Nothing" while updating the data in database for the user performing the update operation.
(iii) Consistency ensures that the changes in data value to be constant at any given instance. Isolation property is needed during concurrent transaction.
(iv) Durability is defined as the system is ability to recover all committed transactions during the failure of storage or the system

(i) A document page is displayed within a dark border.
(ii) The area outside of the dark border is referred to as the pasteboard.
(iii) Anything that is placed completely in the pasteboard is not visible when the document is printed.
(iv) The use of pasteboard is to temporarily hold elements while designing document.

Image acts as an important component in multimedia. Images are generated by the computer in two ways:
(i) Bitmap images (or) Raster imges
(ii) Vector images.