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Page 38 - HAND EMBROIDERY ARTISAN_TT
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    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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