Construct detailed, essay-format answers to the following questions. Answers are not provided.

1. Trace the complete lifecycle of creating and using a simulation model. Describe the distinct steps for “Developing Simulation Models” and “Performing Simulation Analysis,” explaining how they interrelate from initial problem identification to the final application of results to a real-time system.
2. Analyze the benefits and drawbacks of employing Modelling and Simulation. Discuss at least three advantages and three disadvantages, providing context from the application areas mentioned in the text (e.g., military, civil engineering, business).
3. Explain the critical importance of Verification and Validation in ensuring a simulation model’s credibility. Detail the specific techniques for each process, including the three steps for designing a model with high validity and the two approaches for comparing model data with real data.
4. Compare and contrast Discrete System Simulation with Continuous Simulation. Your answer should address how state variables change in each, the key features of discrete event simulation, and the types of application areas best suited for continuous simulation.
5. Describe the historical evolution of Modelling and Simulation from 1940 to the 1990s. For each decade mentioned (1940s, 1960s, 1970s, 1980s, 1990s), identify the key developments and explain their significance to the field.