Internet, Search engines and Web browsing
Certainly! Internet, Search engines and Web browsing are fundamental components of our digital age.
Let's break down each of these concepts:
Internet:
The internet is a global network of interconnected computers and computer network. It allows the exchange of information and data across the globe. It operates on a set of protocols, including the Transmission Control Protocol (TCP) and the internet Protocol (IP).
Search Engines:
Search engines are specialized programs that help users find information on the internet. They inbox web pages and create a database, which users can query using keywords or phrases. The search engine then returns a list of relevant results.
Examples:
i. Google
ii. Bing
iii. Yahoo
iv. DuckDuckGo
Web Browsing:
Web browsing refers to the activity of navigating the World Wide Web using a web browser. A web browser is a software application that allows users to access and view web pages.
Examples:
i. Google Chrome
ii. Mozilla Firefox
iii. Apple Safari
iv. Microsoft Edge
v. Opera
Key Concepts Web Browsing:
I. URL (Union Resource Locator)
This is the address used to access resources on the web. It typically start with "http://" or "https:// and followed by the domain name and specific page or resource identifiers.
Example:
https://lawandlearning99.blogspot.com
II. Web Pages:
These are documents formatted in HTML ( Hypertext Markup Language) that can contain text, images, videos, and other multimedia elements. Web pages are the building blocks of the World Wide Web.
III. Hyperlinks:
These are clickable elements on a web pages that lead to another web page or resource. They enable users to navigate between different pages on the internet.
IV. Cookies:
Small pieces of data stored on a user's device by websites. Thy are often used for tracking user behavior, personalization, and session management.
V. Web Standards:
Guidelines and specifications set by organizations like the World Wide Web Consortium (W3C) to ensure consistency and compatibility in web development.
VI. Web Security:
Practices and technologies aimed at protecting users and their data while they browse the internet. This includes the use of HTTPS, secure connections, and measures against various cyber threats.
Web Browsing Process:
i. Entering a URL or Search Query:
Users enter a URL in the address bar or type a search query into the search engine.
ii. Request and Response:
The browser sends a request to the server hosting the web page or search engine. The server processes the request and send back a response, which includes the requested content.
iii. Rendering:
The browser interprets the received data (usually HTML, CSS and JavaScript) and renders the web page for the user to view and interact with.
iv. Navigation:
Users can click on links, fill out forms, and interact with various elements on the page to navigate through the web.
v. Bookmarks and History:
Browsers often provide features like bookmarks for saving favorite pages and a browsing history for revisiting previously visited sites.
Overall, the internet, search engines, and web browsing play crucial roles in information access, communication, and collaboration in the modern digital rea.