[Solved] The set of services and resources created by the system software and seen by the user is called a(n)____ machine. A)naked B)virtual C)assembler D)Von Neumann Ideal Economic Efficiency: Achieving the optimum level of output and resource allocation where no individual or preference can be made better off without making someone else worse off. Monopolist: A market participant that is the sole seller of a good or service, with significant control over its price. Output Increase: Refers to a rise in the quantity of goods or services produced by an individual, company, or economy over a given period. Economies of Scale: The decrease in unit cost that results from enhanced scale of operations, highlighting how companies can save on costs per unit by expanding their production scope.