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Internet Basics: Understanding the World Wide Web

Learn about the Internet, its structure, and how individuals and organizations access it through Internet Service Providers (ISPs). Explore different types of Internet access and the role of web browsers in enabling online communication.

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Internet Basics: Understanding the World Wide Web

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  1. MT-113 COMPUTER APPLICATIONS Lecture # 10 By Syed Ehtisham Gillani

  2. Internet Basics

  3. What is the Internet? It’s a world-wide network of computer networks. It grows hourly and involves national governments, communities, and individuals.

  4. Where is all the information? It actually runs from one computer to another on “servers,” which are machines that share information across computers.

  5. How do individuals and organizations get the Internet? They use an Internet Service Provider (ISP). • An ISP is a company that provides Internet access for its customers • It may also provide email service for its customers • It may provide web file storage service and/or a limited web hosting service. • For example, PTCL,Comsats, Brainet etc are ISPs in Pakistan.

  6. What kind of access does the ISP provide? The slowest is called “dial-up service” because it runs via telephone lines with no added support.

  7. DSL Digital subscriber lines. Though still transmitted through the phone lines, DSL operates at higher frequencies, so it’s faster than standard dial-up.

  8. Once the ISP has provided access, how does an individual computer allow Internet access? Via web browsers—software programs that run on the user’s computer to support access to information at any public web server in the world.

  9. Collaborative Computing

  10. What is Collaborative Computing • Collaborative computing is a broad collection of information technologies that is designed to support work between individuals. • Organizations implement collaborative computing technologies to improve workforce productivity and creativity by enabling individual workers to more readily access each other and the information when they need it.

  11. Collaborative computing originated from early generations of applications, such as instant messaging and video conferencing, that were intended to bridge geographic distances between individuals who are working together. • The technologies initially were seen as a way to replace face-to-face interactions.

  12. Today, collaborative computing not only bridges geographical distances to enable remote individuals to work together, it also adds capabilities that enhance the working experience. • Collaborative computing can connect individuals to software applications in real time, so they all can access and simultaneously work on text-based documents, graphics, computer-aided design files and other work products.

  13. Examples • Specially designed enterprise softwares for communication • Instant Messaging Groups (Whatsapp, Viber, Messenger, etc.) • Group Video Calls (Skype, Viber, Facebook, etc.)

  14. Email Basics

  15. What is email? • short for electronic mail • send & receive messages over the internet

  16. What you need to send an Email A computer with internet access An email account with a service provider such as Yahoo, Gmail, Hotmail, etc.

  17. Setting up your email account Parts of an email address: ahmed.khan@gmail.com user name : ahmed.khan (you create your own) (each is unique) @ symbol : (Shift key + 2) email provider’s name: gmail (could be yahoo, outlook, etc.) domain : .com

  18. The parts of an email To : enter the exact email address of your recipient (remember: name@provider.domain) For multiple recipients, separate each address with a comma CC : carbon copy BCC : BLIND carbon copy – is anonymous Subject : the topic of your email – very important Body : the message of your email Attachments : the paperclip symbol - files or photos

  19. DRAFT EMAILS & SAVING FOR LATER Drafts: When creating an e-mail the computer will automatically save your work periodically. If for any reason you are interrupted (i.e. lapse in internet connection) you can retrieve your latest work what is called the DRAFT BOX.

  20. Replying to an email Reply vs Reply All When you click on Reply, your message will automatically be sent to the person who sent you the email (FROM field in header.) When you click on Reply All, your message will automatically be sent to the person who sent you the email AND everyone in the TO and CC fields in the header.

  21. Forwarding an email • When you click on FORWARD, you may share the email you’ve received by sending it to others. • You may add your own message before sending.

  22. Thank You!

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