Topic 5 - The Internet And Its Uses

Global network of interconnected computers

Part of the internet which users can access using web browser, it is a large collection of web pages

Software that allows users to access & display web pages on their device screens. They interpret HTML sent from websites

Protocol://website address/path/file name

http/https

• domain host- www • domain name - website name • domain type - .com, .org, .net, .gov And sometimes country code - .uk, .de, .cy

Hypertext transfer protocol (secure)

• have a home page • store users favourite website / web page as bookmarks • history of websites • allow users to go forwards & backwards on a website • allows many web pages to be open at the same time using tabs • they make use of cookies • they make use of hyperlinks • Data is stored as a cache • provide address bar

A server that converts domain names to IP addresses

Cookies are small data’s that get stored on a users computer which are sent by web servers to the browser, they hold key info preferences like language1 currency and previous browser activity

-Session cookies - ceases to exist when the browser is closed - persistent cookies - permanently stored on the hard drive