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 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.