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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.
I wrote a program that adds up 5x5 matrices by column and row. Now i have to use pointers to rewrite the same code how would do that
3. Discuss the objectives of Query Processing.
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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''.
create a simple Visual Basic project
Hello - What is the turn around time for a 6 page website.
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Hi There, can you help me with my small project please, i have sent it yesterday and you dont replay. can you please ethir lem me know you can do it or no Regrads Meshari
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Selects among the processes in memory which are ready to execute & allocates the CPU to one of them CPU scheduling decisions can be taken place when a process: A. Terminates B. Swi
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