Vocabulary:
-www (world wide web)
an information system on the Internet which allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.
My website address is: www.american-school.net/
-internet
(a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols).
You can download many free sofwares from Internet.
-bluetooth
an open wireless protocol for exchanging data primarily used for connecting mobile devices to computers.
As for this year, their main products are two Bluetooth keyboard and one recharger .
-(client – server)
a networking model in which the functions are divided between “child” computers and a single “parent” computer which stores and controls access to data.
Under the client-server model, all recipes are stored with the server.
-domain
a named group of networked computers that are administered as a unit with common rules and procedures.
Register a domain name if you want people to find your website.
-encryption
the process of making information ‘more secure’ by rendering it unreadable to anyone but the intended recipient.
Encryption is vitally important to on-line commerce.
-ethernet
A baseband local-area network originally developed by Xerox Corp. Normally running between 10 Mbps and 1,000 Mbps
Both types of Ethernet cable have a similar construction.
-firewall
a device or software program designed to prevent unauthorized access to a network.
New technology should provide a secure firewall against hackers.
-IP address
a unique string of numbers that identifies a computer or server on the Internet
Your IP address is used to gather broad demographic information.
-LAN
a small computer network normally contained within one room or building
The network topology within each LAN is flexible.
-protocol
a set of standards or rules which govern communication
Other networks support, multiple protocols, including the Internet Protocol.
-VPN (virtual private network)
a high security connection to a private network
The key technology for VPN is the security of data over a public network.
-Wi-Fi
a trademarked, non-technical term used to describe a certain quality of wireless networking compatibility
High speed internet access (wired and wi-fi) in hotel rooms is a must for any business traveller and now many leisure travellers too.
WAN (wide area network)
-a network which covers more than one building or area
Drag onto the page to add a multi – location Wide Area Network that relies on long – distance communication.
Do you know how e-commerce transaction begins?
A typical e-commerce begins when you browse through a website and select an item you want to buy. You place an order by clicking a button that puts in your shopping cart.
The screen displays a the total amount you have to pay and you to key your redit card details.
Then the seller’s server verifies all the details. If it is approved the shopping cart program send an e-mail to the seller. Dinally the bank credits the seller’s account and debits yours.
Storytelling:
Who is the man who invented World Wide Web (www)?
Tim Berners-Lee is a British computer scientist credited with inventing the World Wide Web (WWW). Berners-Lee enabled a system to be able to view web pages (hypertext documents) through the internet.
Tim Berners-Lee was born on 8th June 1955 in London, England. After doing his A Levels at Emanuel School, he went to Queen’s College, Oxford University, where he received a first-class degree in physics.
From 1980, he was employed as an independent contractor at CERN in Switzerland.
An essential part of his job involved sharing information with researchers in different geographical locations. To help this process, he suggested a project based on the use of hypertext. (a language for sharing text electronically).
In 2020 his net worth is 60 million dollars.