Evolution of the internet
1969 ARPANET becomes functional → 1984 ARPANET has more than 1000 individual computers linked as hosts → Today millions of hosts connect to the internet
Broadband internet connections
a computer or device physically attaches via a cable or wire to a communications device with wired connections but if the computers without computer devices can connect to a wireless modem
So, what is the difference between both wired and wireless?
Wired
|
Wireless
|
² Cable Internet service
² DSL (digital subscriber line)
² Fiber to the Premises (FTTP)
|
² Wi-Fi (wireless fidelity)
² Mobile broadband
² Fixed wireless
² Satellite Internet Service
|
What is the purpose of IP Adresss?
An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication.
An IP address serves two principal functions: host or network interface identification and location addressing.
A DNS address is a Domain Name Service which is used to convert alphabetic references into a server's IP address generally for hosting services.
The World Wide Web
A browser an application that enables users with an Internet connection to access and view webpages on a computer or mobile device
Each of the webpage has a unique address called Web Adress or URL
How about Search Engine?
Search engine is a software that finds website, webpage, images, videos and other information. For example of search engine are, google chrome, mozilla firefox, safari, and internet explorer.
There are thirteen types of Website
² Online social network
² Informational
² Media sharing and bookmarking sites
² News, weather,sports, and other mass media
² Educational
² Business, governmental and organizational
² Blogs
² Wikis
² Health and science
² Entertainment
² Financial
² Travel and mapping
² Shopping and auctions
² Careers and employment
² E-commerce
² Portals
Web Publishing
Is about the development and the maintenance of the website.
How to maintain the website?
1. Plan the website
2. Design the website
3. Create the website
4. Host the website
5. Maintain the website
Other Internet Services
Email is the transmission of messages and files via a computer network. Email allow us to create, send, receive forward, store, print and delete email messages.
Instant messaging (IM) is a real-time Internet communications service. For example, Messenger is the most popular instant messaging.
VoIP (Voice over IP) enables users to speak to other users over the Internet. Such as Viber, Skype, and Whatsapp.
No comments:
Post a Comment