INTERNET SERVICE

WWW

The World Wide Web (www) provides a world wide collection of electronic documents(webpages) for user to access.

Each webpages can contain text, graphics, animation, audio and video.

Webpages can be a static page or a dynamic page which can be linked to each other through a hyperlink.

EMAIL

Email or electronic mail is the transmission of message and files via a computer network.

Function: Allows user to create, send, receive, forward, store, print, and delete e-mail messages.

One of the original Internet services on the Internet.

Email programs are available as desktop apps, web apps and mobile apps.

INSTANT MESSAGING

Instant messaging(IM) is a real-time Internet service that notifies you when one or more people are online and allows you to exchange messages or files or join a private chat room with those people.

Most IM today are integrated in many email service and social network.

Users need to install instant messenger software on the computer or mobile device before they can start messaging with each other.

EXAMPLE

WhatsApp Messenger

Telegram Messenger

Facebook Messenger

VoIP

Voice Over Internet Protocol(VoIP) is a technology that allows user to make voice calls using an Internet connection instead of a regular telephone line(also called Internet Telephony).

Some VoIP services may only allow you to call other people using the same service, but others may allow you to call anyone who has a telephone number-including local, long distance, mobile and international numbers.

EXAMPLES

Skype

Viber

Google Hangouts

Google Duo

ADVANTAGE

Do not incur extra charge beyond what the user is paying for Internet access.

DISADVANTGES

Some VoIP services don't work during power outages and the service provider may not offer back up power.

VoIP providers may or may not offer directory assistance/white page listings.

FILE TRANSFER PROTOCOL

File Transfer Protocol(FTP) is an Internet standard that permits file uploading and downloading with other computers on the Internet.

EXAMPLES

Classic FTP

Smart FTP

UPLOADING

the process of transferring documents, graphics, and other objects from computer to a server on the Internet.

DOWNLOADING

the process of a computer or device receiving information such as a web page, from a server on the Internet.

FTP SERVER

is a computer that allows users to upload and/or download files using FTP.