1 / 15

Introduction to the Internet

Introduction to the Internet. CAOT 400. 1/05. What is the Internet?. a worldwide collection of computer networks connected in various ways... phone lines, cable, satellites. What is the Internet?. a cooperative effort allowing for: a variety of computers a variety of operating systems.

lucita
Download Presentation

Introduction to the Internet

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Introduction to the Internet CAOT 400 1/05

  2. What is the Internet? a worldwide collection of computer networks connected in various ways... phone lines, cable, satellites...

  3. What is the Internet? • a cooperative effort • allowing for: • a variety of computers • a variety of operating systems

  4. Internet History • 1960s • Department of Defense • packet switching • 1980s • MILnet (military) • NSFnet (National Science Foundation) • 1995…The Internet (as we know it today)

  5. How do we use the Internet?

  6. Business Applications • purchase orders • inventory tracking • customer support • research • team authoring • personnel search

  7. Personal Applications • vacation plans • banking • shopping • medical research • stock market data • computer games

  8. Internet Services • Search Engines • Electronic Mail (e-mail) • Newsgroups • Mailing Lists • Chat Groups • File Transfer Protocol (FTP)

  9. Internet Challenges • available information • speed of transmission • ever-changing environment • privacy and security

  10. Our focus in CAOT 400 • E-mail and its special features • Browsers • Searching the World Wide Web • Compression files • Creating web pages • FTP

  11. Accessing the Internet • Cable, phone line, modem • Protocol software • Internet Service Providers (ISP) How do we hook up to the Internet?

  12. Internet Addresses • Host Computers: • every host computer has an address and a descriptive name 198.80.180.70 = president.whitehouse.gov user name + host computer + domain name

  13. Internet Host Categories • .com ----------------commercial enterprise • .gov-----------------government institution • .edu-----------------educational institution • .mil----------------------military institution • .net----------------------computer network • .org--------------------other organizations • .au, .ca, .uk, .us--------country designation

  14. E-mail User Names • full names, initials, nicknames • letters and numbers • no spaces • case sensitive ??? • includes user name and ISP • Examples: mickey@smcccd.edu mickeymouse@aol.com mickey1@yahoo.com

More Related