Computer Science: Internet, Protocols, and Web Features

Academic Identifiers

• Student: Hussain God / Hussain-Qaid
• Institution: Foundation Public School
• Grade: $1X$
• Dates Recorded: $21-8-2c$ and $20-8-26$

Internet and World Wide Web Basics

• Internet: A undwde collection of pro networks.
• World Wide Web ($WWW$): A part of interct that uses con access using webbouses, consisting of a massive conection of web page.

Uniform Resauce Locat ($URL$)

• $URL$: Text addressess used to access website cur over the interat.
• Format Structure: Includes Domain Protocol, Host ($www$), Domain name, and Domain type.
• Domain Type Examples: Includes $.com$, $.org$, $.net$, $.gov$, $.edu$, and country codes such as $.uk$, $.de$, and $.cy$.
• Example Address: https://www.instagram.com/hovi linternationalschoolfees

Web Languages and Protocols

• Hyper text Markup language ($HTML$): Language used to display content on browses. All website are written in $HTML$ and hosted on a web saves with its own $IP$ address.
• $HTTP$ (Hyper textransfer prolocas): A set of rules that must be obeyed when transferring files and webpages across the internet.
• $HTTPS$ (text transfer protocol secure): Ensures a secure connection is made b/w the $2$ devices engaging in data transfer.
• Data Security: Data packets are encrypted before transmission and decrypted only upon reaching the intended destination.

Systems and Browser Features

• Domain Name System ($DNS$): A system for finding $IP$ addresses for a domain name given in a $URL$. $DNS$ serves contain a database that eliminates the need for a user to memorise $IP$ addresses.
• Web Browsers: Software allowing a uses to access ad display web pages on device screens.
• Common Browser Features:
  • Bookmarks ad favourites.
  • Multiple tabs.
  • Navigation tools ($back\,batton$ and $forward\,betten$).
  • Cookies.
  • Address bar.
  • Record history uses.