INTERNET SERVICES

E-mail

• E-mail (short for electronic mail) is the transmission of messages & files via a computer network. E-mail was one of the original services on the internet, enabling scientists & researchers working on government-sponsored projects to communicate with colleagues at other locations.
• You can use an e-mail program to create, send, receive, forward, store, print & delete email messages. E-mail programs are available as desktop apps, web apps & mobile apps. An e-mail message can be simple text or can include an attachment such as a document, a graphic, an audio clip or a video clip.
• Just as you address a letter when using the portal system, you address an email message with the email address of your intended recipient. Likewise, when someone sends you a message, he or she must have your e-mail address.
• An e-mail address is a combination of a user name & a domain name that identifies a user so that he or she can receive Internet e-mail. A user name is a unique combination of characters such as letters of the alphabet &/or numbers, that identifies a specific user. Your user name must be different from the other user names in the same domain.

FTP (File Transfer Protocol)

• Definition : Internet standard that permits file uploading and downloading with other computers on the Internet.
• A standard for the exchange of program & data files across a network.
• Uploading is the process of transferring files from your computer or mobile device to a server on the internet.
• Downloading is the process of transferring files from a server on the internet to your computer or mobile device.
• Example: FileZilla, AbleFTP, SmartFTP

WWW (World Wide Web)

• While the Internet was developed in the late 1960's, the World Wide Web emerged in the early 1990's as an easier way to access online information using a browser. Since then, it has grown phenomenally to become one of the more widely used services on the Internet.
• The World Wide Web (www) or web, consists of a worldwide collection of electronic documents. Each electronic document on the web is called a webpage, which can contain text, graphic, animation, audio & video.

Instant Messaging

• Internet messaging services, which often occur in real-time, are communications services that notify you when one or more of your established contacts are online & then allows you to exchange messages or files or join a private chat room with them.
• Real time means that you and the people with whom you are conversing are online at the same time. Some Internet messaging services support voice & video conversations, allow you to send photos or other documents to a recipient, listen to streaming music & play games with another online contact.
• For real-time Internet messaging to work, both parties must be online at the same time. Also, the receiver of a message must be willing to accept messages. To use an Internet messaging service, you may have to install messenger software or an app on the computer or mobile device, such as a smartphone, you plan to use.

 Message Board

• Definition : An online area in which users have written discussions about a particular subject.
• Also called as discussion forum.
• Type of discussion group.
• Not real-time.
•  To participate in a discussion, a user posts a message, called an article, to the newsgroup & other users in the newsgroup read and reply to the message.
• A thread or threaded discussion, consists of the original article and all subsequent related replies.
• Some discussion forums require that you enter a user name & password to participate in the discussion.

VoIP (Voice Over Internet Protocol)

• Definition : Conversation that takes place over the Internet using a telephone connected to a computer, mobile device or other device.
• Also called Internet telephony.
• Enables users to speak to other users via Internet connection.
• To connect a calling party to one or more local or long distance called parties.
• Example: Skype, WeChat, Kakao Talk