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Internet (2)

Topics

• Electronic Mail• World Wide Web• Remote Access• Collaborative Software• File Sharing• Streaming Media• Voice over Internet Protocol• Internet Hosting Service

Electronic Mail

Electronic mail: A system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in.

Computer-Based vs. Web-Based Email

Computer-based email stores your incoming messages on a server until you are ready to collect them. Once you download the messages, they are deleted from the server and stored on your PC.

With web-based email, you use your internet browser to go to the email provider's site, then log in with a user name and password. The email provider stores all your messages for you.

Computer-Based Email

• Outlook• Outlook Express• Entourage • Mail • Thunderbird• Eudora

Web-Based Email

• Yahoo mail (http://mail.yahoo.com) • Gmail (http://gmail.google.com) • MSN Hotmail (www.hotmail.com) • .Mac (www.mac.com)

E-Mail Server System

• SMTP server, where SMTP stands for Simple Mail Transfer Protocol. The SMTP server handles outgoing mail.

• POP3 server or an IMAP server, POP3 stands for Post Office Protocol and IMAP stands for Internet Mail Access Protocol, both of which handle incoming mail.

World Wide Web

World Wide Web

The World Wide Web (commonly shortened to the Web) is a system of interlinked, hypertext documents accessed via the Internet. With a web browser, a user views web pages that may contain text, images, videos, and other multimedia and navigates between them using hyperlinks.

WWW Tools

• Web ServerA computer responsible for serving web pages, mostly HTML (Hypertext Markup Language) documents, via the HTTP (Hypertext Transfer Protocol) protocol to clients, mostly web browsers

• Web PageA document or file, written in HTML, that is stored on a web server and can be viewed over the Internet using an web browser.

WWW Tools

• Web BrowserA software application that enables a user to display and interact with text, images, and other information typically located on a web page at a website on the World Wide Web or a local area network.

• Web AddressURL stands for Uniform Resource Locator. The URL specifies the Internet address of a file stored on a host computer connected to the Internet.

Remote Access

Remote Access

A service which makes it possible to connect to a network or the Internet from a distant location

Remote Access Tools

• Virtual Private Network (VPN)A method employing encryption to provide secure access to a remote computer over the Internet

Remote Access Tools

• Telecommunication Network (Telnet)a collection of terminals, links and nodes which connect together to enable telecommunication between users of the terminals.

• Secure Shell (SSH)a network protocol that allows data to be exchanged using a secure channel between two networked devices

Collaborative Software

Collaborative Software

Collaborative software (also referred to as groupware or workgroup support systems) is software designed to help people involved in a common task achieve their goals.

The Three Levels of Collaboration

• Electronic communication tools• Electronic conferencing tools• Collaborative management tools

Electronic Communication Tools

• synchronous conferencing • e-mail • faxing • voice mail • Wikis • Web publishing • revision control

Electronic Conferencing Tools

• Internet forums• Online chat• Instant Messaging • Telephony• Video conferencing• Data conferencing• Application sharing• Electronic meeting systems

Collaborative Management Tools

• electronic calendars (also called time management software)

• project management systems• workflow systems• knowledge management systems• prediction markets• extranet systems (sometimes also known as 'project

extranets')• social software systems• online spreadsheets

File Sharing

File Sharing

File sharing refers to the providing and receiving of digital files over a network, usually following the peer-to-peer (P2P) model, where the files are stored on and served by personal computers of the users. Most people who engage in file sharing on the Internet both provide (upload) files and receive files (download).

File-Sharing Program

• USENET• BitTorrent• Limewire• Podcast

Streaming Media

Streaming Media

Technical term for digital audio or video transmissions via the Internet.

The sound and image data are sent as a data stream to the subscriber.

List of Streaming Media Systems

• Pandora (music service) • QuickTime Broadcaster • VideoLAN • Winamp a freeware media player for

Microsoft Windows

Voice over Internet Protocol

Voice over Internet Protocol

Voice over Internet Protocol (VoIP) is a technology used to transmit voice conversations over a data network using the Internet Protocol.

VoIP Software

• AOL Instant Messenger • Google Talk • iChat AV • Skype • Windows Live Messenger • Yahoo! Messenger

Internet Hosting Service

Internet Hosting Service

An Internet hosting service is a service that runs Internet servers, allowing organizations and individuals to serve content to the Internet or in newbie terms a way for you to keep your website live and viewable on the internet.

Types of Hosting

1. Full-featured hosting2. Limited or application-specific hosting

Full-featured Hosting

• Dedicated hosting service• Virtual private server• Colocation facilities

Limited or Application-specific Hosting

• Web hosting service • E-mail hosting service • DNS hosting service • Game servers • Wiki farms

The Process for Hosting a Web Site

• Register domain name• Find an Hosting Provider• Find an appropriate server• Develop graphic and HTML content• Upload to web server using FTP to

transfer files

What To Consider When Choosing a Hosting Provider

• Storage Space and DataTransfer • Reliability • Technical Support• Added Features • Pricing Structure

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