Computer & Internet

1. Computer & Internet

2. Internet • The largest interconnected network of computer in the world.

3. Internet Service • E-mail=A method of composing, sending, storing, and receiving messages over electronic communication systems.

4. Internet Service • Telnet = Telnet is an Internet communications protocol that enables a computer to function as a terminal working from a remote computer.

5. Internet Service • FTP=File Transfer Protocol • a commonly used protocol for exchanging files over any network that supports the TCP/IP protocol (such as the Internet or an intranet). • There are two computers involved in an FTP transfer: a serverand a client • Download • To receive information, typically a file, from another computer to yours via your modem. • Upload • To send a file to another computer.

6. Internet Service • World Wide Web = A method for providing distributed information on the Internet 3D Map of the World Wide Web Sun Microsystems, Inc.

7. Web browsers • A software application that enables a user to display and interact with text, images, and other information typically located on the World Wide Web. • Web browsers available for personal computers include MicrosoftInternet Explorer, MozillaFirefox, AppleSafari, Netscape, and Opera.

8. IP Address • IPv4 = IPv4 uses 32-bit (four-byte) addresses, which limits the address space to 4,294,967,296 (232) possible unique addresses. • ระบบตัวเลขไอพีที่ใช้ในปัจจุบันเป็นระบบ ไอพีเวอร์ชันที่ 4 (IPv4) ซึ่งจะเป็นระบบ 32 บิตหรือสามารถระบุเลขไอพีได้ตั้ง 0.0.0.0 ถึง 255.255.255.255 • เหลืออีก 1 พันล้านหมายเลข (หมดภายในอีก 20 ปี)

9. IPv6 • IPv6 is short for "Internet Protocol Version 6". IPv6 is the "next generation" protocol designed by the The Internet Engineering Task Force(IETF) to replace the current version Internet Protocol, IP Version 4 ("IPv4"). • IPv6 address space supports 2128(about 3.4×1038) addresses, or approximately 5×1028 (roughly 295) addresses

10. http://www.ipv6.nectec.or.th/

11. Domain Name System (DNS) • Hostnames that provide more easily memorable names to stand in for numeric IP addresses. • For example www.cmru.ac.th, www.google.co.th, www.music.com • Domain Name in Thailand is under the jurisdiction of Thailand Network Information Center: THNIC (ศูนย์สารสนเทศเครือข่าย: www.thnic.co.th) บริการจดทะเบียนชื่อ Domain ภายใต้หมวดหมู่ ac.th, co.th, go.th, net.th, or.th, mi.th, in.th

12. Synchronous communication(Real-time communication) • communicate between people in real-time on the Internet. • various tools and technologies that can be used • parties requires to be connected at the same time • support a variety of media types: plain text - full multimedia. • video or audio conference.

13. Streaming • the process of transferring and playing multimedia content from a server to a client player, over a network • without the need for any intermediate storage on the client system.

14. Streaming • Streaming media is a means for one-way communication using audio, video and other media, such as text and still images. • The user can potentially interact with the media. • academic content (mostly in the form of lectures is also available as streaming video.) • radio stations

15. Search engine Search engine Sites • A program designed to help find information stored on a computer system such as the World Wide Web. Like Yahoo, Siamguru, Alta Vista • There are two different way to search from search engine that are Key Word Search and Directory

16. Directory • A web directory is a directory on the “World Wide Web” • It specializes in linking to other web sites and categorizing those links. • Web directories often allow site owners to submit their site for inclusion, and have human editorsreview submissions for fitness.

17. Click

20. Click เพื่อเลือกกีฬาที่ต้องการหาข้อมูล

21. Specific Search engine • Search engine for the specific subject area ex. • FindLaw.com = Law and lawyer • SciSeek.com = Science • Biocrawler = Biology, Ecology and BioTech

27. Meta Search Engine • Meta Search Enginge is a search engine that sends user requests to several other search engines and/or databases and returns the results from each one. • They allow users to enter their search criteria only one time and access several search engines simultaneously. • Ex. • Search.com • Dogpile.com

29. Directory ที่เกี่ยวข้องเพื่อช่วยในการหาข้อมูลเพิ่มเติม ผลการสืบค้น Click

30. Click

31. เลือกเว็บที่สนใจ เพื่อหาข้อมูล

34. Reference sites • websites which work as same as reference book ex. Encyclopedia, Dictionary, Atlas, Almanac, Directory, Handbook, Biographical Dictionary, Geographical Sources • Biography.com • Dictionary.com • Infoplease.com • Artcyclopedia.com • whosaliveandwhosdead.com

39. News Sites • CNN Interactive (www.cnn.com) • The New York Times (www.nytimes.com) • CBS MarketWatch (cbs.marketwatch.com)

40. Entertainment Site • Tourism Authority of Thailand (www.tat.or.th) • Music.com • Mtv.com

41. Web blog (n.) • Web blog is a website where entries are written in chronological order and commonly displayed in reverse chronological order. • "Blog" can also be used as a verb, meaning to maintain or add content to a blog.

42. A typical blog combines • text, • images, • and links to other blogs, • web pages, • and other media related to its topic. • The ability for readers to leave comments in an interactive format is an important part of many blogs.

43. Most blogs are primarily textual, although some focus on • art (artlog) • photographs (photoblog) • Sketchblog • videos (vlog) • Music and audio • and are part of a wider network of social media. • Bloggang.com • Gotoknow.org • Oknation.net

49. e-Book (Electronic BOOK) • A book whose contents are in an electronic format. • Pdf • HTML • Word • Flash • Multimedia • e-book reader = a small, portable device onto which the contents of a book in electronic format can be downloaded and read