ISO/OSI model in communication networks

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Across
  1. 1. a set of rules formally described that define the communication modalities between two or more entities.
  2. 4. a small segment of a larger message.
  3. 6. display in succession.
  4. 8. the activity performed by the user from the first time he accesses a page of the server side application, until he closes the browser.
  5. 10. connection between a computer and its peripheral units, or, also, the connection between two or more computers.
  6. 14. the set of methods and techniques used in the transmission, reception and processing of data and information.
  7. 15. a written acknowledgment that something of value has been transferred from one party to another.
  8. 17. a device that originates, or generates, an information transfer to one or more receivers.
  9. 18. a hardware module or device used to receive signals of different kinds, depending on the context of the application.
  10. 19. computer on which information is stored which other computers (called clients) can access by means of a connection.
  11. 20. a system of networking of several computers and users.
  12. 21. a software installed or a series of software being run on a computer with the purpose and result of making one or more functions possible.
  13. 22. information that has been translated into a form that is efficient for movement or processing
  14. 23. transmit data between sender and recipient.
Down
  1. 2. the process of sending and propagating analog or signals of digital information.
  2. 3. the organization of programming into separate functional components that interact in some sequential and hierarchical way
  3. 5. The degree of subordination in a hierarchy in data management structures or communication protocols.
  4. 7. who provides a standard service or product.
  5. 9. any hardware device in the system capable of communicating with other devices that are part of the network.
  6. 11. interconnected computing devices that can exchange data and share resources with each other
  7. 12. system is a computer system that combines portability and interoperability and uses open software standards.
  8. 13. is a way of converting the original text into a sequence of letters, numbers and special signs that only those with the correct decryption key can convert back.
  9. 16. the use of any computers, storage, networking and other physical devices, infrastructure and processes to create, process, store, secure and exchange all forms of electronic data.
  10. 17. an unregulated custom that develops and spreads as if it were. Specifications or styles that are widely accepted by users and adopted by several vendors.