PPT unit 5

Unit 5 NetworkContent * Network * Internet * Definition for Internet * Domain name * Website * URL * Facebook * How to Use Online dictionary

Unit 5 NetworkNetworkA group of interconnected computers andperipherals that is capable of sharingsoftware and hardware resources betweenmany users. The internet is a global networkof networes. There are many types ofcomputer network including LAN, WAN, CAN,MAN and HAN.

Unit 5 NetworkNetworkLAN - Stands for \"Local Area Network\". LAN is acomputer network limited to a small area.WAN – Stands for “wide-area network”. WAN issimilar to a LAN, but it's a lot bigger. WANs are notlimited to a single location.CAN – Stands for “campus-area network”. CAN is acomputer network that links the buildings andconsists of two or more LANs within the limitedgeographical area.

Unit 5 NetworkNetworkMAN – Stands for “Metropolitan Area Network”.MAN is a series of LANs that are interconnectedthrough various means in a metropolitan area such asa city and its suburbs.HAN – Stands for “home-area network”. A HAN isa network contained within a user's home.

Unit 5 NetworkInternetSystem connecting computers around the world using a commonSoftware Protocol for transmitting and receiving data.This protocol is known as TCP/IP, which stands forTransmission Control Protocol/Internet Protocol.There are a variety of ways to access the Internet.Most online services offer access to some Internet services. Itis also possible to gain access through a commercial InternetService Provider (ISP)

Unit 5 NetworkInternetThe Internet is not synonymous with World Wide Web.It connects millions of computers together globally, forming anetwork in which any computer can communicate with any othercomputer as long as they are both connected to the Internet.The World Wide Web, or simply Web, is a way of accessinginformation over the medium of the Internet. It is aninformation-sharing model that is built on top of the Internet.

Unit 5 NetworkWhat is Domain name? They are used to identify one or more IP address. For easyremember. There are 2 types of Domain name as follow: Domain 2 levels – Domain name . type of Domain Domain 3 levels – Domain name . type of Domain . Country Domain 2 levels consist of www . Domain name . type of Domain

Unit 5 NetworkWhat is Domain name?Domain 2 levels consist of www . Domain name . type ofDomain such as www.google.comFor example:.gov - Government agencies.edu - Educational institutions.org - Organizations (nonprofit).mil - Military.com - Commercial business.net - Network organizations.int - International

Unit 5 NetworkWhat is Domain name?Domain 3 levels consist of www . Domain name . type ofDomain . country such as http://tdc.thailis.or.thFor example:.co - Commercial business.ac - Academic.go - Government agencies.net - Network organizations.or - Organizations (nonprofit)

Unit 5 NetworkWhat is Domain name?And example for countries:.ca - Canada.th – Thailand.cn – China.uk - United Kingdom.jp – Japan.au - Austria

Unit 5 NetworkURLURL – Stands for “uniform resource locator”. It’sused to call Internet address.URL including a Protocol, Sub-domain, Domain andDomain suffix, Directories and Webpage.

Unit 5 NetworkURLProtocol: A standard procedure for regulating data transmission betweencomputers. We used to the word “http”. It standfor Hyper Text Transfer Protocol.Sub-domain : A more specific portion of a domainname. Sub-domains are used to divide up Webdomains without registering a new domain name.Domain :A group of networked computers that share a common communications address.

Unit 5 NetworkURLDomain suffix: The last part of a domain name and isoften referred to as a \"top-level domain“Directories :n organizational unit for files that reside on a hard disk or otherStorage device. Also called folder.Webpage:A document on the World Wide Web, consisting of ahypertext file and any related files forscripts and graphics, and often hyperlinked to other documents onthe website.

Unit 5 NetworkWebsiteA set of interconnected web pages.Generally located on the same server,and prepared and maintained as a collectionof information by a person, group or organization.A website includs a homepage and web pages.

Unit 5 NetworkPractice a. Address Bar b.Scroll Bar c.Tool Bar d. Status Bar e.Menu Bar f.Logo

Unit 5 NetworkPractice a. Address Bar 4 b.Scroll Bar 6 c.Tool Bar 3 d. Status Bar 7 e.Menu Bar 2 f.Logo 5

Unit 5 NetworkHow to Use Online Dictionary1. Type www.thefreedictionary.com at URL then enter. It willappear webpage as below.

Unit 5 NetworkHow to Use Online Dictionary2. Type vocabulary that you want to search such as “hardware” then enteror click at “ > “.

Unit 5 NetworkHow to Use Online Dictionary3. The meaning of the vocabulary that you type to search will appear. Inaddition, when you click at speaker icons. There will be the sound of thatvocabulary.