Post on 05-Apr-2017
Unit 5 Network Content
* Network
* Internet
* Definition for Internet
* Domain name
* Website
* URL
* How to Use Online dictionary
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.
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
Unit 5 Network What is Domain name?
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
Unit 5 Network What is Domain name?
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)
Unit 5 Network What is Domain name?
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 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.
Unit 5 Network How to Use Online Dictionary 2. Type vocabulary that you want to search such as “hardware” then enter
or click at “ > “.