The document provides a series of multiple-choice questions regarding the concepts of modelling and simulation, including definitions, advantages, disadvantages, and steps for performing simulation analysis. Key topics covered include the development of special-purpose simulation languages in 1960, and the distinction between modelling as the construction of a model and simulation as the operation of a model over time or space. It emphasizes both the benefits and challenges associated with modelling and simulation in various application areas.

1. MODELLING & SIMULATION
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2. Question 1
________ is the process of representing a model which includes its construction
and working.
A. Simulation
B. Modelling
C. Modelling & Simulation
D. None of the above
Ans : B
Explanation: Modelling is the process of representing a model which includes its
construction and working.
Question 2
____________ of a system is the operation of a model in terms of time or space,
which helps analyze the performance of an existing or a proposed system.
A. Modelling
B. Control Systems
C. Simulation
D. Radar
Ans : C
Explanation: Simulation of a system is the operation of a model in terms of time
or space, which helps analyze the performance of an existing or a proposed
system.

3. Question 3
In which year, first special-purpose simulation languages were developed?
A. 1940
B. 1960
C. 1970
D. 1980
Ans : B
Explanation: 1960 : The first special-purpose simulation languages were
developed, such as SIMSCRIPT by Harry Markowitz at the RAND Corporation.
Question 4
Which of the following are the advantages of using Modelling and Simulation?
A. Easy to understand
B. Easy to test
C. Easy to upgrade
D. All of the above
Ans : D
Explanation: All of the above are the advantages of using Modelling and
Simulation.

4. Question 5
Which of the following are the disadvantages of using Modelling and Simulation?
A. Simulation requires manpower and it is a time-consuming process.
B. Simulation results are difficult to translate. It requires experts to understand
C. Simulation process is expensive
D. All of the above
Ans : D
Explanation: All of the above are the disadvantages of using Modelling and
Simulation.
Question 6
Which of the following is not an Application Areas of Modelling & Simulation?
A. Military applications
B. Designing semiconductors
C. Food industry
D. Telecommunications
Ans : C
Explanation: Food industry is not an Application Areas of Modelling & Simulation.

5. Question 7
Modelling is creating a model which represents a system including their properties.
It is an act of building a model.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Ans : A
Explanation: True, modelling is creating a model which represents a system
including their properties. It is an act of building a model.
Question 8
Simulation is the process of using a model to study the performance of a system. It
is an act of using a model for simulation.
A. Yes
B. No
C. Can be yes or no
D. Can not say
Ans : A
Explanation: Yes, simulation is the process of using a model to study the
performance of a system. It is an act of using a model for simulation.

6. Question 9
Which of the following is Step 1 for Performing Simulation Analysis?
A. choose input variables
B. create entities for the simulation process
C. prepare a problem statement
D. determine the output variables
Ans : C
Explanation: Step 1 : Prepare a problem statement
Question 10
Which of the following is Step 1 for Developing Simulation Models?
A. Design the problem
B. Identify the problem
C. Collect and start processing the system data
D. Develop the model using network diagrams
Ans : B
Explanation: Step 1 : Identify the problem with an existing system or set
requirements of a proposed system.