Unit 5 Network Network A group of interconnected computers and peripherals that is capable of sharing software and hardware resources between many users. The internet is a global network of networes. There are many types of computer network including LAN, WAN, CAN, MAN and HAN.

Unit 5 Network Network

LAN - Stands for "Local Area Network". LAN is a computer network limited to a small area.

WAN – Stands for “wide-area network”. WAN is similar to a LAN, but it's a lot bigger. WANs are not limited to a single location.

CAN – Stands for “campus-area network”. CAN is a computer network that links the buildings and consists of two or more LANs within the limited geographical area.

Unit 5 Network Network

MAN – Stands for “Metropolitan Area Network”. MAN is a series of LANs that are interconnected through various means in a metropolitan area such as a city and its suburbs.

HAN – Stands for “home-area network”. A HAN is a network contained within a user's home.

http://www.webopedia.com/TERM/N/network.html

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

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

Unit 5 Network What is Domain name?

They are used to identify one or more IP address. For easy remember. 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


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


Domain 3 levels consist of www . Domain name . type of Domain . country such as http://tdc.thailis.or.th For example: .co - Commercial business .ac - Academic .go - Government agencies .net - Network organizations .or - Organizations (nonprofit)

http://tdc.thailis.or.th/


And example for countries: .ca - Canada .th – Thailand .cn – China .uk - United Kingdom .jp – Japan .au - Austria

Unit 5 Network URL

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

Unit 5 Network URL

Protocol : A standard procedure for regulating data transmission between computers. We used to the word “http”. It stand for Hyper Text Transfer Protocol.

Domain : A group of networked computers that share a common communications address.

Sub-domain : A more specific portion of a domain name. Sub-domains are used to divide up Web domains without registering a new domain name.

Unit 5 Network URL

Directories : n organizational unit for files that reside on a hard disk or other Storage device. Also called folder.

Domain suffix: The last part of a domain name and is often referred to as a "top-level domain“

Webpage: A document on the World Wide Web, consisting of a hypertext file and any related files forscripts and graphics, and often hyperlinked to other documents on the website.

Unit 5 Network Website

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

Unit 5 Network Practice a. Address Bar b.Scroll Bar c.Tool Bar

d. Status Bar e.Menu Bar f.Logo

Unit 5 Network Practice 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 Network How to Use Online Dictionary 1. Type www.thefreedictionary.com at URL then enter. It will appear webpage as below.

http://www.thefreedictionary.com/

Unit 5 Network How to Use Online Dictionary 2. Type vocabulary that you want to search such as “hardware” then enter

or click at “ > “.

Unit 5 Network How to Use Online Dictionary 3. The meaning of the vocabulary that you type to search will appear. In

addition, when you click at speaker icons. There will be the sound of that

vocabulary.

English for Computer Unit 5 Network

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