1. Explain Kendall's System for representing parallel Queuing System (2 Marks) 2. Define Discrete-event models. Explain any 5 components of Discrete-event models such as System, Model, Entity, Attribute, List, Events, and Activity. (2 Marks) 3. Complete a Simulation table for checkout counter using the Event Scheduling/ Time Advanced algorithm for below given table. (2 Marks) Service Time Inter-arrival Time Arrival Time Time Service End 4 0 4 1 8 8 9 4 6 14 18 3 1 15 18 2 8 23 25 4 3 26 30 Note: The simulation is scheduled to stop at time 60 Answer:- System State Clock Future Event List LQ(t) LS(t) 4. Given below are the observed and expected values of flipping of 40 coins, Perform Chi Square test to check uniformity of the distribution. Critical value = 3.78 (2 Marks) H T E 20 20 o 15 25 5. Use the Mixed Congruential method to generate a sequence of four random numbers with Xo = 25, a = 8, c = 19, and m = 100. (2 Marks) STEP i X = (aX1 + C) mod m R;= Xi / m