Page 38 - HAND EMBROIDERY ARTISAN_TT

Handicrafts & Carpets Related Theory for Exercise 1.3.15-19
Hand Embroidery Artisan - Designing by using CAD

Introduction to internet, web browser and search engines

Objectives: At the end of this lesson you shall be able to
• define internet
• practice using different web browsers and search engines.

The Internet is a global network of interconnected • If you are using routers, then Optical fiber connects
computers and devices that allows users to access to your router and converts light-induced signals to
and share information and devices, allowing them to electrical signals. Using ethernet cables, the internet
communicate and exchange data. It enables users to reaches your computers, delivering the required
access a wide range of services, such as websites, information.
emails, social media, online applications, and cloud Uses of the Internet
storage. Through standardized communication protocols,
the Internet facilitates the sharing of information, Some of the important usages of the internet are:
resources and media across vast distances, making it • E-Commerce & online shopping: Platforms like
an essential tool for education, business, entertainment Amazon, Flipkart and Myntra allow users to buy
and personal communication worldwide. products with ease, providing a seamless shopping
How does the internet work? experience, home delivery and multiple payment
options.
• The actual working of the internet takes place with
the help of clients and servers. • Digital payments & cashless transactions: UPI-
based platforms (e.g., Paytm, Google Pay) enable
• Here, the client is a laptop that is directly connected users to make instant payments, bank transfers and
to the internet.
bill payments, driving the growth of the cashless
• Servers are computers connected indirectly to the economy.
Internet and they store all the websites in those large • Remote education & online learning: Educational
computers. platforms like Coursera, Khan Academy and YouTube
• These servers are connected to the internet with offer a wide range of online courses, making quality
the help of ISP (Internet Service Providers) and are education accessible to people worldwide.
identified with an IP address.
• Social connectivity: Social media apps like
• Each website has its Domain Name, as it is difficult Facebook, Instagram and LinkedIn allow people to
for a person to remember long numbers or strings (IP stay connected, share content, network professionally
addresses). and create online communities.
• When you search for a domain name in the browser’s • Streaming & entertainment: Services like Netflix,
search bar, the request is sent to the server. Spotify and YouTube provide on-demand access to
movies, music, TV shows and online gaming, offering
• The server tries to find the IP address from the domain
name because it cannot understand the domain name endless entertainment options.
directly. • Telemedicine & health services: Online
consultations, fitness apps and digital health tracking
• After getting the IP address, the server will try to allow individuals to monitor their well-being and
search the IP address of the domain name in a huge consult healthcare professionals remotely.
phone directory, known in networking as a DNS server
(Domain Name Server). • Online banking & financial services: Internet
• Example: Just like if we have the name of a person, banking enables users to transfer funds, pay bills
and manage finances without visiting a bank.
we can easily find their Aadhaar number from a long Cryptocurrencies are also becoming more mainstream
directory it works the same way with domain names through online platforms.
and IP addresses.
• News & information access: The Internet serves
• Once the IP address is found, the browser will pass
on the request to the respective server. as a hub for real-time news, articles, blogs and live
updates from around the world, making it easier to
• The server then processes the request and displays stay informed on global events.
the content of the website that the client wants.
• Travel planning & navigation: Travel websites and
• If you are using a wireless medium of internet like 3G, navigation apps like Google Maps and Waze help
4G, or other mobile data, then data flows from optical users plan trips, book accommodations and navigate
cables to towers. From towers, signals reach your cell through traffic efficiently.
phones and PCs through electromagnetic waves.
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