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COMMUNICATION CHANNELS:
A wire pair connecting two telephones is the simplest circuit, allowing communication in both directions. Other channels include coaxial cables, optical fibres, satellites, a light beam, microwaves, and others. Whatever the physical medium over or through which message travels, transmission may take place in a number of different modes. They are :
Simplex Half-duplex and Full-duplex. Simplex In this type of channel, the message travels in only one direction, that is from point A to point B but not back again.
Half-Duplex: Transmission can take place in either direction, but not at the same time. In other words, message can be transmitted either from A to B or by B to A one at a time.
Full-Duplex: In this type of arrangement messages can be transmitted and received over the same channel at the same time. Many librarians and information scientists are familiar with the latter two types because database search terminals must be set to transmit full or half duplex in order to communicate with database vendors' computers.
Bidirectional Search-Artificial intelligence: We've concentrated so far on searches where the point of the search is to search a solution, not the path to the solution. In anot
Types of Browsers: Line Mode Browsers : The initial browsers were line mode text browsers. These browsers were simple and used to display text line by line. They used to prov
Client/ Server Architecture: As the capacity and power of personal computers improved, the need to share the processing demands between the host server and the client workst
Description A semaphore is a confined variable whose value can be accessed and changed only by the operations P and V and initialization operation known as ''Semaphoiinitislize''.
Problem In the Excel sheet, input the marks of any 5 students with 5 subjects and find the average marks, maximum marks, minimum marks obtained by the student. Using Excel s
assignment
Identify three factors to consider in determining the competitive value of information technology. Justify the selected factors. Of the factors selected, determine if each fact
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Brief Define the Phases of Waterfall Model
Process States Throughout the lifespan of a process, its execution position may be in one of four states: (linked with each state is generally a queue on which the process resides)
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