CS620 - Modelling and Simulation Quiz 1 Solution Spring 2026 | 100% Correct Answers

CS620 — Quiz 1 Solution

Modelling and Simulation — Spring 2026

📅 Spring 2026 📘 CS620 ✅ 100% Correct 🆓 Free

CS620

Subject Code

Quiz 1

Quiz Number

20

Total Questions

Free

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Question 1 of 20

Model definition provides static description of model?

A Entities

B Parameters

C Components

D Variables

✅ Correct Answer: B — Parameters define fixed model properties.

Question 2 of 20

Closed-form solutions rarely solve practical problems?

A Conclusions

B Observation

C Analysis

D Consulting practice

✅ Correct Answer: D — Real consulting shows closed-form limits.

Question 3 of 20

Properties of entities in simulation are called?

A Entity

B List

C Mode

D Attributes

✅ Correct Answer: D — Attributes define entity characteristics.

Question 4 of 20

End of runtime and downtime are primary events?

A End of compilation, end of uptime

B End of runtime, end of uptime

C End of runtime, end of downtime

D End of debugging, end of downtime

✅ Correct Answer: C — These represent system completion events.

Question 5 of 20

Software models require only data for operation?

A Simulation, input

B Sampled theoretical

C Compiled numerical

D Analyzes hypothetical

✅ Correct Answer: A — Simulation models need input data.

Question 6 of 20

Internal vs external system events are called?

A None

B State Event

C Exogenous, Endogenous

D Endogenous, Exogenous

✅ Correct Answer: D — Internal are endogenous, external exogenous.

Question 7 of 20

System state is collection of?

A Allies

B Parameters

C Variables

D Characteristics

✅ Correct Answer: D — State includes system characteristics.

Question 8 of 20

If no time or personnel available simulation is?

A Simulation

B Analysis

C Estimation

D Calculation

✅ Correct Answer: B — Simulation becomes inappropriate.

Question 9 of 20

Models not able to analyze complex systems?

A Closed-form

B Open-form

C User-form

D Free-form

✅ Correct Answer: A — Closed-form cannot handle complexity.

Question 10 of 20

Time compression or expansion allows?

A Speed-up Observation

B Slow-down Analysis

C speed-up or slow-down Investigation

D Both a & b

✅ Correct Answer: C — Enables faster or slower system study.

Question 11 of 20

Circular interactions between systems are?

A Efficient Transaction

B Adaptation

C Homeostasis

D Reciprocal Transactions

✅ Correct Answer: D — Systems influence each other mutually.

Question 12 of 20

Instant occurrence changing system state?

A Event list

B List

C Event notion

D Event

✅ Correct Answer: D — Event changes state instantly.

Question 13 of 20

System snapshot at time zero includes?

A Both

B Endogenous

C Exogenous

D None

✅ Correct Answer: A — Includes both event types.

Question 14 of 20

Simulation model design gives?

A Knowledge, simulation Model

B Analysis, Statistics

C Observation, Calculations

D Screening estimation

✅ Correct Answer: A — Provides useful system knowledge.

Question 15 of 20

Animation in simulation helps?

A Explained

B Observed

C Estimated

D Visualized

✅ Correct Answer: D — Helps visualize system behavior.

Question 16 of 20

Continuous manufacturing systems modeling is?

A Static

B Continuous

C Dynamic

D Random

✅ Correct Answer: B — Continuous variable changes.

Question 17 of 20

Three-phase approach events are?

A No-time

B Zero-time

C Seconds

D Milliseconds

✅ Correct Answer: B — Events occur instantly.

Question 18 of 20

System boundary decision belongs to?

A Dynamic system

B Modeling systems

C Static system

D Random system

✅ Correct Answer: B — Defines system boundary.

Question 19 of 20

Indefinite duration until it ends is?

A Fixed

B Changes

C Not known

D Specified

✅ Correct Answer: C — Duration is unknown.

Question 20 of 20

No data available simulation is?

A is feasible

B is not advised

C In most suitable

D None

✅ Correct Answer: B — Simulation needs input data.

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