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How semaphores implement mutual exclusion?
Mutual-exclusion implementation along with semaphores:
Assume that there are n-processes and they share a semaphore, mutex (standing for mutual exclusion), initialized to 1. All processes Pi is organized as illustrated below:
do{
wait(mutex);
critical section
signal(mutex);
remainder section }while(1);
A call processor in an exchange requires 120 ms to service a complete call. What is the BHCA rating for the processor? If the exchange is capable of carrying 700 Erlangs of traffic
What is class, class diagram? An object is an instance of a class. Class explains a group of objects with similar properties (attributes), behaviour (operations), kinds of rela
Discuss different Routing plan adopted in a Telephone network. Hierarchical networks are able of handing heavy traffic where needed, and at similar time use minimal number of t
What is preemptive and nonpreemptive scheduling? Under nonpreemptive scheduling once the CPU has been allocated to a process, the process keeps the CPU unless it releases the C
What is the difference among object oriented and structured oriented programming? Ans) ? Object Oriented means programme will be there in terms of Class and Object connection w
Explain about IP Access. IP access on the network by: • Intranets onto Virtual IP Networks and • Extranets onto Virtual IP Networks.
Interconnection Network (IN): IN performs data exchange between the PEs, manipulation functions and data routing. This IN is under the control of CU.
Q. Convert the following BINARY numbers into OCTAL, double check by converting the result OCTAL to BINARY. a) 111.111 b) 10110111 c) 0.11111
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Mainframe computer Mainframe computers are very large, often can fill an entire room. They can store a large amount of information, can execute many tasks at the same time, can
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