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Understanding Files and Folders in Telecommunications Services

Explore the basics of files and folders, telecommunications options, internet services, and types of websites. Learn about file organization, networking protocols, internet accessibility, and web browsing. Enhance your knowledge of digital data transmission and online communication technologies.

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Understanding Files and Folders in Telecommunications Services

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  1. Files, Folders, Telecommunications, & Services Dreamweaver for Business & College Mrs. Wilson

  2. Files & Folders • A file is a collection of related data stored on a lasting medium, such as a hard disk. • A file can be an application program or the product of an application. • Digital cameras create photo files • Word processing creates document files • The original form the file is saved in is referred to as the native format.

  3. File Names • Each file is identified by a unique file name. • When a new document is created, a temporary, generic file name is created. • Untitled-1 or Document1 • Filename extensions are automatically added.

  4. Folders • Folders are used to organize commonly related files.

  5. Intranet, Extranet, Internet • Intranet • Used by a single corporation • Extranet • Extends the intranet by providing various levels of accessibility • Internet • Largest and most widely accessed network—a world-wide network of computers not controlled by one organization.

  6. Client/Server Interactive TCP/IP transmission control protocol/internet protocol Router Device that can connect different technologies Firewall Network security system preventing unauthorized access Internet

  7. Telecommunications • Transmitting and receiving data • Can be in various forms including voice and video • Requires a modem or adapter and a line or a cable • Speed is measured in Kbps (thousands of bits per second) or Mbps (millions of bits per second)

  8. Telecommunication Options • Conventional Modem • Telephone lines converting analog to digital • DSL • Digital Subscriber Line modem uses standard telephone lines • Cable Modem (Optimum!) • Transmits data through a coaxial cable tv network • Leased/Dedicated Lines • Used by businesses and schools (T1) • ISDN (Integrated Services Digital Network) • Digital telephone line

  9. Internet Services • WWW • Used to access info on the web • NOT the same as the Internet • Web Browser • IE, Firefox, Netscape, Opera

  10. Types of Websites • Personal • Created by individuals • Commercial • Corporate web presence • E-commerce sites • Informational • Display factual info on a topic (gov’t) • Media • Online newspapers & periodicals • Portal • Created by businesses for the purpose of giving people a starting point for the web

  11. Blog • Short for web log • A type of website where users can post entries in a journal format

  12. Exercises • Page 37 in your book • Exercises 1, 2, and 3. • Type up your responses and submit them at the end of tomorrow’s class. • You may work on this assignment at home.

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