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PPT on MS-CIT Unit-2

  2. Unit – 2nd THE INTERNET, THE WEB, AND ELECTRONIC COMMERCE 2 • Want to communicate with a friend across the town, in another state, or even in another country? • Searching for a long lost friend? • Looking for travel or entertainment information ? • Perhaps you’re searching or exploring different career paths For these and other information- related activities most people use the INTERNET AND the WEB
  3. INTERNET AND WEB WHAT IS THE DIFFERENCE BETWEEN INTERNET AND WEB ?  It is an interconnected mesh of computers and data lines that connects millions of people and organizations.  It is the foundation of the digital revolution and allows people around the world to share words, images, and any digital file almost instantaneously.  The Web provides an easy to – use interface to internet resources.  It has become an everyday tool for all of us to use 3
  4. INTERNET Launched in 1969 in US funded project – Advanced Research project Agency Network (ARPANET)  A large network that connects together smaller network all over the globe  It is a physical network.  It is made up of wires, cables, satellites, and rules for exchanging information between computers connected in the network  The internet connects millions of computers and resources throughout the world 4
  5. WEB / WWW WORLD WIDE WEB – Launched in 1991, provided Multimedia interface to internet – 1991 focused on linking existing information. Ex- Google search was created – 2001 evolved to support more dynamic content creation and social interaction. Ex Facebook is best known web application. – Current Web focuses on applications that automatically prepare personalized content for users. Ex – Google’s app on traffic, Temperature, Weather forecasting, etc. 5
  6. WORKS OF INTERNET AND WEB The most common uses are the following - 6 – Ex-Facebook, What sapp, Twitter, Instagram, Linked In – Ex- Myntra, Amazon, FlipKart. – Ex- Google, Bing, Yahoo – Ex- Simplilearn, Khan academy, Byju’s App,. – Ex- Dailymotion, Youtube.
  7. Concept Check 7 Answer the following orally 1 What is the difference between the internet and the Web ? 2 State how internet and the web started. What are the three Web Generations ? 3 List and describe five of the most common uses of the internet and the web ?
  8. 8  ISP (Internet Service Provider)  BSNL (Bharat Sanchar Nigam Limited)  VSNL (Videsh Sanchar Nigam Limited)  DSL (Digital subscriber line)  Cable  Wireless Modem INTERNET ACCESS Internet access on computer is similar as the to connect a phone to telephone system
  9. 9 – It is a company such as AT&T, Verizon, Comcast, or Bright House that provides Internet access to companies, families, and even mobile users. ISPs use fiber-optics, satellite, copper wire, and other forms to provide Internet access to its customers. - Bharat Sanchar Nigam Limited, d/b/a BSNL is an Indian State -owned telecommunications company. It provides internet services through its nationwide telecommunications network across India. Videsh Sanchar Nigam Limited, popularly known as VSNL was an Indian based telecommunication company.
  10. 10 Digital subscriber line is a family of technologies that are used to transmit digital data over telephone lines. Cable internet reaches your home through the same coaxial cables that your TV service likely uses. A wireless modem is a modem that bypasses the telephone system and connects directly to a wireless network, through which it can directly access the Internet connectivity provided by an Internet service provider (ISP).
  11. 11  URL (Uniform Resource Locator)  Protocol  Domain Name  Domain Code  TLD (Top Level Domain Name)  HTML (Hypertext Markup Language)  Cascading Style Sheet (CSS)  Java Script  AJAX  Mobile Browsers Browsers Programs that provide access to web resources
  12. 12 - A URL (Uniform Resource Locator) is a unique identifier used to locate a resource on the internet. It is also referred to as a web address. - Internet Protocols (IP) are rules for exchanging data between computers. The protocol http is used for web traffic and is most widely used. – It indicates the specific address where the resource is located. – Also called as Web suffix. Last part of the domain name following the dot(.) It is Top level Domain (TLD). Identifies the type of organisation. Ex - .com, .org, etc – Once the browser has connected to the website a document file is sent back to your computer. This document typically contains Hypertext Mark-up Language (HTML) for displaying webpages. Domain Type .com Commercial .edu Educational Government .net Network .org Organization Indian Company Site
  13. 13 A mobile browser is a web browser designed for use on a mobile device such as a mobile phone or PDA – To improve web presentation capabilities CSS was introduced by W3C (World Wide Web Consortium) It was intended to allow Web Designers to define the look and feel of their Web Pages, and to separate contents from documents layout -JavaScript is the programming language of HTML and the Web. JavaScript is easy to learn. JavaScript is an object-based scripting language which is lightweight and cross-platform – Advanced use of Java script used to create interactive websites that respond quickly. Ex- Google Maps uses AJAX
  14. Concept Check 14 Answer the following orally 1 What are the functions of an ISP, a browser, and a mobile browser ? 2 What are URLs, HTML, web pages, hyperlinks, CSS, Java script, AJAX, and applets ?
  15. 15 – Plugins are programs that start automatically and operate as a part of your browser Many websites require you to have one or more plugins to fully experience their content Ex- Adobe Acrobat Reader, Flash Player, VLC Media Player, etc WEB UTILITIES Programs that make computing easier. Specialised Utility Program – Filters block access to selected sites. Not all the aspects of Internet are appropriate for all audiences. Filter programs allow parents as well as organizations to block out selected sites and set time limits. Ex- in Facebook
  16. 16 File Transfer Utilities Software to copy files to your computer from specially configured server is the process of putting web pages, images and files onto a web server. is the process of getting web pages, images and files from a web server.  To make a file visible to everyone on the internet, you will need to upload it.
  17. 17 is a communication protocol for peer- to-peer file sharing which is used to distribute data and electronic files over the Internet. - The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network. FTP is built on a client-server model architecture using separate control and data connections between the client and the server. - Web file transfer refers to a variety of services that allow users to share files over ... Web-based sharing services allow users to share videos and pictures easily.
  18. 18  A collection of software utilities that protect a user's computer from viruses and other malware. Managed by a single control panel interface that displays all the functions, antivirus and firewall are typically the primary elements. Ex – McAfee’s Internet Security and Quick Heal. INTERNET SECURITY SUITS Collection of utility programs designed to maintain your security and privacy while you are on the web
  19. Concept Check 19 Answer the following orally 1 What is web utilities ? 2 What are plug-ins and filter used for ? 3 What are file transfer utilities ? Define downloading and uploading. 4 What are Internet security Sites ?
  20. 20 COMMUNICATION Internet communication is referred to as the sharing of information, ideas, or simply words over the World Wide Web, or the Internet. The Internet consists of a worldwide string of connected networks that exchanges data through packet switching using the standardized Internet Protocol Suite (TCP/IP)
  21. 21      E-Mail Electronic mail is a method of exchanging messages between people using electronic devices. Invented by Ray Tomlinson, email first entered limited use in the 1960s and by the mid-1970s had taken the form now recognized as email. Email operates across computer networks, which today is primarily the Internet
  22. 22 stands for Short Message Service, which is the formal name for the technology used for text messaging. It's a way to send short, text-only messages from one phone to another. These messages are usually sent over a cellular data network. MESSAGING Messaging is a method of communication between software components or applications. A messaging system is a peer-to-peer facility: A messaging client can send messages to, and receive messages from, any other client. ... The sender and the receiver need to know only which message format and which destination to use is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network....The MMS standard extends the core SMS (Short Message Service) capability, allowing the exchange of text messages greater than 160 characters in length. is a way of chatting between two or more people by typing text. The text is then sent by computers over a network such as the Internet. Instant messaging must have an instant messaging client that hooks up to a service that can send instant messages.
  23. Concept Check 23 Answer the following orally 1 What is text messaging ? When is text messaging a dangerous activity ? 2 What is instant messaging ? How is it different from text messaging ?
  24. 24 is a popular free social networking website that allows registered users to create profiles, upload photos and video, send messages and keep in touch with friends, family and colleagues. SOCIAL NETWORKING A social networking service is an online platform which people use to build social networks or social relationship with other people who share similar personal or career interests, activities, backgrounds or real-life connections. The social network is distributed across various computer networks is a social networking site designed specifically for the business community. The goal of the site is to allow registered members to establish and document networks of people they know and trust professionally. ... Basic membership for LinkedIn is free. Network members are called “connections.”
  25. 25 was a social network owned and operated by Google. The network was launched on June 28, 2011, in an attempt to challenge other social networks, linking other Google products like Google Drive, Blogger and YouTube Google is named after the mathematical term "googol,” defined as the value represented by a one followed by 100 zeros. Google is the leading Internet search engine; its primary service is offering consumers targeted search results which is selected from more than 8 billion web pages are groups of people in the Google+ social platform created to enable easier, more targeted content sharing that are meant to more accurately represent real-life information sharing. ... In addition, having Google+ followers and having people "+1" your content improves Google search engine ranking. is a communication software product developed by Google. Originally a feature of Google+, Hangouts became a standalone product in 2013, when Google also began integrating features from Google+ Messenger and Google Talk into Hangouts
  26. 26 was a social networking website owned and operated by Google. The service was designed to help users meet new and old friends and maintain existing relationships. The website was named after its creator, Google employee Orkut Büyükkökten. Orkut was one of the most visited websites in India and Brazil in 2008. is an American microblogging and social networking service on which users post and interact with messages known as "tweets". Tweets were originally restricted to 140 characters, but on November 7, 2017, this limit was doubled to 280 for all languages except Chinese, Japanese, and Korean is an American photo and video-sharing social networking service owned by Facebook, Inc. It was created by Kevin Systrom and Mike Krieger, and launched in October 2010 exclusively on iOS. is an American video-sharing platform headquartered in San Bruno, California. Three former PayPal employees—Chad Hurley, Steve Chen, and Jawed Karim—created the service in February 2005. Google bought the site in November 2006 for US$1.65 billion; YouTube now operates as one of Google's subsidiaries
  27. 27 Blogs, Microblogs, Webcasts, Podcasts, and Wikis In addition to social networking sites, there are other web 2.0 applications that help ordinary people communicate across the web he term "blog" is short for "weblog," which refers to an online journal. Blogs began as personal mini sites that people used to record their opinions, stories, and other writings as well as photos and videos. As the web has grown and changed, blogs have gained more recognition and merit. refers to a type of blogging that uses very quick, small and short messages either in audio, text or video forms. As the name implies, the messages are very short and crisp and usually refer to an present event, a comment about an event and broadcasting of a news clip etc. is a media presentation distributed over the Internet using streaming media technology to distribute a single content source to many simultaneous listeners/viewers. A webcast may either be distributed live or on demand. Essentially, webcasting is "broadcasting" over the Internet. is an episodic series of digital audio files that a user can download in order to listen. Alternatively, the word "podcast" may refer to the individual component of such a series or to an individual media file is a knowledge base website on which users collaboratively modify and structure content directly from the web browser.
  28. 28 Search Tools A search engine is a web-based tool that enables users to locate information on the World Wide Web. Popular examples of search engines are Google, Yahoo!, and MSN Search , also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web across all platforms, with 92.62% market share as of June 2019 Search is a web search engine owned by Yahoo, headquartered in Sunnyvale, California. ... Originally, "Yahoo Search" referred to a Yahoo-provided interface that sent queries to a searchable index of pages supplemented with its directory of websites. The results were presented to the user under the Yahoo! brand. is a web search engine owned and operated by Microsoft. The service has its origins in Microsoft's previous search engines: MSN Search, Windows Live Search and later Live Search. Bing provides a variety of search services, including web, video, image and map search products. is the common name for the search engine, which allows users to perform a search in the form of a question to find relevant results. ... The site is popular with Internet users, despite competition from other search engines like Google, Bing, and Yahoo!
  29. 29 are one more tool to include in your SEO arsenal. Unlike general-purpose search engines, specialized search engines index pages for particular topics only and very often there are many pages that cannot be found in general-purpose search engines but only in specialized ones. is a constant assessment of how well that content meets your goals. When you evaluate content, you assess the effectiveness of your text, images, audio, and video. To get a better understanding of content evaluation, let's view it in the context of the entire content lifecycle.
  30. Concept Check 30 Answer the following orally 1 Compare search engines and specialized search engines ? 2 What are the four considerations for evaluating website content ?
  31. 31 ELECTRONIC COMMERCE E-commerce (electronic commerce) is the buying and selling of goods and services, or the transmitting of funds or data, over an electronic network, primarily the internet. These business transactions occur either as business-to-business (B2B), business-to-consumer (B2C), consumer-to-consumer or consumer-to-business. The term refers to the process of selling products and services directly between consumers who are the end-users of its products or services. Most companies that sell directly to consumers can be referred to as B2C companies. , is the business model that facilitates commerce between private individuals. ... A solid example of C2C transactions would be the classifieds section of a newspaper, or an auction. In both cases, a customer – not a business – sells goods or services to another customer refers to business that is conducted between companies, rather than between a company and individual consumers. Business to business stands in contrast to business to consumer (B2C) and business to government (B2G) transaction For example, a car manufacturer will depend on a parts company to complete the assembly of a car.
  32. 32  Faster buying/selling procedure, as well as easy to find products.  Buying/selling 24/7.  More reach to customers, there is no theoretical geographic limitations.  Low operational costs and better quality of services.  No need of physical company set-ups.  Easy to start and manage a business.  Customers can easily select products from different providers without moving around physically.  Any one, good or bad, can easily start a business. And there are many bad sites which eat up customers’ money.  There is no guarantee of product quality.  Mechanical failures can cause unpredictable effects on the total processes.  As there is minimum chance of direct customer to company interactions, customer loyalty is always on a check.  There are many hackers who look for opportunities, and thus an ecommerce site, service, payment gateways, all are always prone to attack. ADVANTAGES AND DISADVANTAGES OF ECOMMERCE The invention of faster internet connectivity and powerful online tools has resulted in a new commerce arena – Ecommerce. Ecommerce offered many advantages to companies and customers but it also caused many problems.
  33. 33 E-Commerce security E-Commerce security refers to the principles which guide safe electronic transactions, allowing the buying and selling of goods and services through the Internet, but with protocols in place to provide safety for those involved. A is a card which allows people to buy items without cash. When they buy something, a sales clerk uses it to charge the money needed to their account, so the person will pay later. ... Credit cards are usually small plastic cards with a unique number attached to an account. is a type of currency available in digital form. It exhibits properties similar to physical currencies, but can allow for instantaneous transactions and borderless transfer-of-ownership. Examples include virtual currencies, crypto currencies, and central bank digital currency.
  34. Concept Check 34 Answer the following orally 1 What is electronic Commerce ? 2 What are the advantages and disadvantages of Ecommerce ? 3 What are the two basic payment options ?
  35. 35 Cloud Computing In cloud computing, the word "cloud" (also phrased as "the cloud") is used as a metaphor for "the Internet," so the phrase cloud computing means a type of Internet-based computing, where different services —including servers, storage and applications — are delivered to an organization's computers and devices through the Internet. The concept of the three components can be described as follows : on cloud computing architecture are said to be the exact same things that are plain, old, everyday local area networks (LANs). They are, typically, the computers that just sit on your desk. But they might also be laptops, tablet computers, mobile phones, or PDAs - all big drivers for cloud computing because of their mobility. Clients are interacting with to manage their information on the cloud. provides the connections between the clients and the providers. Two of the most critical factors determining the efficiency of cloud computing are – • Speed of Internet its reliability • The capability of Internet to transmit data without any problem are organizations with computers connected to the Internet that are willing to provide access to software, data, and storage. Ex- Google Drive apps like Google Docs, Google Sheets, Google Slides, etc
  36. Concept Check 36 Answer the following orally 1 What is Cloud Computing ? 2 What are the three basic components of Cloud Computing ?
  37. 37 Iot Internet of Things The Internet of Things is a system of interrelated computing devices, mechanical and digital machines, objects, animals or people that are provided with unique identifiers and the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction. Inc. is an American company headquartered in San Francisco, California. Its products are activity trackers, wireless-enabled wearable technology devices that measure data such as the number of steps walked, heart rate, quality of sleep, steps climbed, and other personal metrics involved in fitness Is fitbit an IoT? Yes, technically, they are 'Things' that connect to the internet, mostly. Almost exclusively through a gateway device like a smart phone, etc. Bluetooth connectivity is not, in itself, a disqualifier for something to be IoT. It's a fairly good, low power, short- range radio technology that is widely used. (originally S Health) is a free application developed by Samsung that serves to track various aspects of daily life contributing to well being such as physical activity, diet, and sleep It is an iot based application.
  38. 38 Simple Healthcare System Architecture The application of the Internet of Things (IoT ) in healthcare transforms it into more smart, fast and more accurate. There is different IoT architecture in healthcare that brings start health care system. : IoT product infrastructure such as hardware/software component read the sensors signals and display them to a dedicated device. : IoT in healthcare has different sensors devices such as pulse- oximeter, electrocardiogram, thermometer, fluid level sensor, sphygmomanometer (blood pressure) that read the current patient situation (data). : IoT system provides better connectivity (using Bluetooth, WiFi, etc.) of devices or sensors from microcontroller to server and vice-versa to read data. : Healthcare system analyzes the data from sensors and correlates to get healthy parameters of the patient and on the basis of their analyze data they can upgrade the patient health. : IoT system access information to healthcare professionals on their monitor device for all patients with all details.
  39. Concept Check 39 Answer the following orally 1 What is the internet of things ? 2 What is Fitbit and Samsung’s mobile Health App ?
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  41. THANK YOU! Payal H. Mudliar Phone 9860663446 Email