[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 Boolean Equation: A mathematical expression that uses Boolean algebra, involving variables that take values from a two-element set (usually 0 and 1) and are combined using logical operations. Ladder Logic: A graphical programming language resembling the schematic diagrams of relay logic hardware, used to program PLCs. Logic Represented: The symbolic depiction of logical operations and relationships, typically used in the development and analysis of algorithms, circuits, and programming. Boolean Equation: A mathematical expression that involves Boolean algebra and uses binary variables and logical operations, commonly used in computer science and digital electronics.