What do you mean by e-commerce? ‘Electronic Commerce is sharing business information, maintaining business relationships and conducting business transactions by means of telecommunications networks’. There are several ways of looking at e-commerce: 1. From a communication perspective: It is the ability to deliver products, services, information or payments via networks like the internet 2. From an interface view: E-commerce means information and transaction exchange: business to business (B2B), business to consumer (B2C), consumer to consumer (C2C) and business to government (B2G). 3. From online perspective: Ecommerce is an electronic environment that allows sellers to buy and sell products, services and information on the internet. The products may be physical like cars or services like news or consulting. 4. As a structure: e-commerce deals with various media: text, data, web pages, Internet telephony and internet desktop video. 5. As a market: e-commerce is a worldwide netw
Posts
Simple MailTransfer Protocol (SMTP) SMTP is a simple ASCII protocol for transferring mail between hosts in the TCP/IP suite. After establishing the TCP connection to port 25 , the sending machine, operating as the client, waits for the receiving machine, operating as the server, to talk first. The server starts by sending a line of text giving its identity and telling whether it is prepared to receive mail. If it is not, the client releases the connection and tries again later. If the server is willing to accept email, the client announces whom the email is coming from and whom it is going to. If such a recipient exists at the destination, the server gives the client the go-ahead to send the message. Then the client sends the message and the server acknowledges it. No checksums are needed because TCP provides a reliable byte stream. If there is more email, that is now sent. When all the email has been exchanged in both directions, the con
// Nepal Earthquake Safe Check package javaapp; /** * * @author Tej Bist */ public class JavaApp { public void Safe(String positive) { if (positive.equals("Safe")) { System.out.println("You are Safe !!"); } else { System.out.println("You are UnSafe !!"); } } public static void main(String[] args) { new JavaApp().Safe("Safe"); } }