Sunday, November 16, 2008

blog 2

15>30
2nd week we do this one again ^^ not so funny but easy to study the lesion
1. Slow-speed technology Dial-up access
modem in your computer uses a standard telephone line to connect to the Internet Connection must be established each time you log on.
2. High-speed connection: DSL, cable modem, FTTP, fixed wireless, wireless modem, Wi-Fi, and satellite modems. Connection is always on—whenever the computer is running.
-There are also many ways to access the Internet:
1 ISP, Regional
or National
2. OSP (AOL and
MSN, for example)
3Wireless Internet
Service Provider
-So how might data travel the Internet using a
cable modem connection? There are 6 steps to do this process
-Domain name means the text version of Internet protocol (IP) address
-What is the World Wide Web (WWW)?
.A worldwide collection of electronic documents
.Also called the Web
-Each electronic document is called a Web page

-Can contain text, graphics, audio, video, and built-in connections
-A Web site is a collection of related Web pages
-A web browser prefers to the program that allows you to view Web pages
-A Web browser displays a home page:
Step 1
Click the Web browser program name
Step 2
Web browser looks up the home page setting
Step 3
The Web browser communicates with the access provider’s server to retrieve the IP address. The IP address is sent to your computer.
Step 4
-The home page displays in the Web browser
.a home page is the first page that a Web site displays
.Often provides connections to other Web pages
-Internet-enabled mobile devices access the Web by using a micro browser that displays Web pages that contain mostly text
Internet became more popoular in the world and now there are more than 500 million people use it

31> 44
This week I’m study a lot of things do a lot of test but I’m still doing my work

Content aggregator is business that gathers and organizes Web content and then distributes, or feeds, the content to subscribers for free or a fee

Personal website is web page maintained by private individual or family and the easons that people use it is they want to share life experience with the worldor job hunting
Wiki is a collaborative Web site that allows users to create, add to, modify, or delete the Web site content via their Web browser

Online social network is encourages members to share their interests, ideas, stories, photos, music, and videos
Blog is short for Weblog; it uses a regularly updated journal format to reflect the interests, opinions, and personalities of the author and sometimes site visitors

The guidelines for evaluating the value of a Web site are affiliation, audience, authority, content, currency, design objectivities

Thumbnail is snall version of a larger graphic - used to improve Web page display time

Animation is appearance of motion created displaying a series of still images in sequence

Video is consists of full-motins images, most with sound, are played back at various speeds. MPEG ( Moving Pictures Wxperts Group) is popular video compression sandard

Virtual reality (VR) is use of computers to simulate real or imagined environment, appears as a three dimensional (3-D) space

Multimedia is application combining text with other media elements, it includes graphics, audio. animation video, virtual reality, and plugs-in

Graphics formats are used on Web:
BMP
GIF (pronounced JIFF)
JPEG (pronounced JAY-peg)
PNG (pronounced ping)
TIFF

Oh!! After one week I have to do this one again^^ so I’m gonna sum from slide 45 to 60
E-commerce
-is a short for electronic commerce, which is a business transaction that occurs over an electronic network such as Internet
-some people use the term m-commerce (mobile commerce) to indentify e-commerce that takes place using mobile devices
-three different types of e-commerce are business-to-business, consumer-to-consumer, and business-to-consumer
Other Internet services
-The Web is only one of the many services on the Internet
Chat rooms
-a chat is a real-time conversation that takes place on a computer
-a chat room is a location on an Internet server that permits users to chat with each other

FTP
-uploading is the opposite of downloading; that is, uploading is the process of transferring documents, graphics, and other objects from your computer to a server on the Internet
-an FTP server is a computer that allows users to upload and/or download files using FTP

E-mail
electronic mail
-a user name is a unique combination of characters, such as letters of the alphabet and/or numbers that indentifies a specific user
Plug-ins ( you can see this one on fire fox )
-is a program that extends the capability of a browser
Mailing Lists
-also called a distribution list, is a group of e-mail names and addresses given a single name