Before you touch a wire in an appliance, how should you make sure that it is not energized? a. by touching the grounded and black wires and watching for a spark b. by checking for voltage with a neon tester c. by testing for leakage with an ohmmeter d. by plugging in the line cord and closing the appliance switch

In deadlock avoidance using banker’s algorithm, what would be the consequence(s) of: (i) a process declaring its maximum need as maximum possible for each resource. in other words, if a resource a has 5 instances, then each process declares its maximum need as 5. (ii) a process declaring its minimum needs as maximum needs. for example, a process may need 2-5 instances of resource a. but it declares its maximum need as 2.