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Q. What do you mean by Software Poll?
In this scheme on occurrence of an interrupt, processor jumps to an interrupt service program or routine whose job is to poll (roll call) every I/O interface to determine which I/O interface has caused interrupt. This may be achieved by reading status register of the I/O interface. Once correct interface is recognized processor branches to a device-service routine specific to device. The shortcoming of software poll is that it's time consuming.
What is meant by common control? In several switching systems, the control subsystem may be an integral part of the switching network itself. This system is termed as direct co
Define Parsing Parsing is the method of analyzing a text, made up of a sequence of tokens, to define its grammatical structure with respect to a given formal grammar. Parsing
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The demand placed on a system is explained by a lognormally distributed random variable with mean 50 and standard deviation of 10. The capacity of the system is modeled by a Weibul
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Write the importance of operating system. Describe the working methodology of online and real-time operating system with the help of two examples of each.
algorithm of travalling salesman problam
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