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The essentials of Computer Organization and Architecture

The Essentials Of Computer Organization And Architecture

Authors:
Linda Null ,julia Lobur
Exercise:
Review Of Essential Terms And Concepts
Chapter:
Network Organization And Architecture
Edition:
3
ISBN:
9780763704445
Question:
1

 

Question

1. How is the organization of a polled network different from that of an internetwork?

Answer

Organization of a polled network different from that of an internetwork :

The physical components of this system consisted of terminals, printers, communications controllers, multiplexers, and front-end processors. Front-end processors are connecting between the host (mainframe) system and the communications lines. They managed all of the communications overhead including polling each of the communications controllers, which in turn polled each of their attached terminals. This architecture or network is called as polled network.

 

DARPAnet(now it is called as Internet) was that it created a uniform protocol for communications between dissimilar hosts along networks of differing speeds. Because it connected many different kinds of networks, DARPAnet was said to be an internetwork.

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