5. A technician suspects that one or more processors in a distributed system is not working properly. The processors, A, B, and [10] C, are all capable of reporting information about the status of the processors in the system (either working or not working). The technician is unsure whether a processor is really not working, or whether the problem is in the status reporting routines in one or more of the processors. After polling each processor, the technician receives the following status reports: • Processor A reports that Processor B is not working and Processor C is working. • Processor B reports that Processor A is working if and only if Processor B is working. • Processor C reports that at least one of the other two processors is not working. (a) Let a = "A is working," b= "B is working." and c = "C is working." Write the three status reports in terms of a, b, and c, using the symbols of formal logic. (b) Assume that all of the status reports are true, which processor(s) is/are working?
5. A technician suspects that one or more processors in a distributed system is not working properly. The processors, A, B, and [10] C, are all capable of reporting information about the status of the processors in the system (either working or not working). The technician is unsure whether a processor is really not working, or whether the problem is in the status reporting routines in one or more of the processors. After polling each processor, the technician receives the following status reports: • Processor A reports that Processor B is not working and Processor C is working. • Processor B reports that Processor A is working if and only if Processor B is working. • Processor C reports that at least one of the other two processors is not working. (a) Let a = "A is working," b= "B is working." and c = "C is working." Write the three status reports in terms of a, b, and c, using the symbols of formal logic. (b) Assume that all of the status reports are true, which processor(s) is/are working?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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