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COMPUTER & INTERNET. Internet The largest interconnected network of computer in the world.

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Presentation on theme: "COMPUTER & INTERNET. Internet The largest interconnected network of computer in the world."— Presentation transcript:

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 server and 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 Microsoft Internet Explorer, Mozilla Firefox, Apple Safari, Netscape, and Opera.

8 IP Address IPv4 = IPv4 uses 32-bit (four-byte) addresses, which limits the address space to 4,294,967,296 (2 32 ) possible unique addresses. ระบบตัวเลขไอพีที่ใช้ในปัจจุบันเป็นระบบ ไอพี เวอร์ชันที่ 4 (IPv4) ซึ่งจะเป็นระบบ 32 บิตหรือ สามารถระบุเลขไอพีได้ตั้ง 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").IETF IPv6 address space supports 2 128 (about 3.4×10 38 ) addresses, or approximately 5×10 28 (roughly 2 95 ) 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 ( ศูนย์ สารสนเทศเครือข่าย : 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 editors review submissions for fitness.

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20 เพื่อเลือก กีฬาที่ต้องการ หาข้อมูล

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

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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

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29 ผลการ สืบค้น Directory ที่เกี่ยวข้อง เพื่อช่วยใน การหาข้อมูล เพิ่มเติม Click

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31 เลือกเว็บที่สนใจ เพื่อหาข้อมูล

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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

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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

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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

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52 http://techno.obec.go.th/content/

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54 http://www.thaiebook.org/

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57 Bibliography Author Name. (Publication Year). Article title. [Online]. Available : URL. (Date Retrieve).

58 Answer question by using some information from previous e-Book What’s the title of this e-Book? Who’s the author of this e-book? What’s URL of this page? How many chapters in this e-book? What’s the preliminary page of the e-book? Please Writ the bibliography of this e-book.

59 e-Journal electronic journal –A digital version of a print journal, or a journal-like electronic publication with no print counterpart made available via the Web, e-mail, or other means of Internet access. –The rising cost of print journal subscriptions has led many academic libraries to explore electronic alternatives. –Abstract –Full-text

60 Scandinavian Public Library Quarterly

61 http://www.rdi.ku.ac.th/journal.html

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67 http://www.tsdmag.com/

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69 The three basic tools for using the Internet are electronic-mail (e-mail),Telnet and File Transfer Protocal (FTP) _______________ allow user to _____________ message to each other. _______________ allow user to _____________ or login to any computer on the Internet. _______________ allow a ___________ to connect to a ___________computer solely for the propose of transferring file : ___________ (send to the remote machine or _____________(getting back from the remote machine) files and data. Telnet, E-mail, FTP, Uploading, Downloading, User, Data, Remote, Connect, Send

70 การบ้าน 1. หัดใช้ ทางเลือก Advanced Search ( ค้นหาแบบละเอียด ) ของ Google 2. หัดใช้ Web Directory ของ Yahoo 3. เขียนบรรณานุกรมสารสนเทศจาก อินเทอร์เน็ต สอบสืบค้นข้อมูล 10 คะแนน


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