Week 3

Question 1

A collection of entities (people and machines) that interact together over time to accomplish one or more goals?

Answer 1

System

Question 2

An abstract representation of a system, usually containing structural, logical, or mathematical relationships which describe a system in terms of state, entities, and their attributes, sets, processes, events, activities, and delays

Answer 2

Model

Question 3

A collection of variables that contain all the information necessary to describe the system at any time

Answer 3

State variables

Question 4

Any object or component in the system which requires explicit representation in the model

Answer 4

Entity

Question 5

The properties of a given entity

Answer 5

Attribute

Question 6

A collection of (permanent or temporary) associated entities, ordered in some logical fashion

Answer 6

List

Question 7

An instantaneous occurrence that changes the state of a system (such as an arrival of a new customer)

Answer 7

Event

Question 8

A record of an event to occur at the current or some future time, along with any associated data necessary to execute the event

Answer 8

Event notice

Question 9

A list of event notices for future events, ordered by time of occurrece (FEL)

Answer 9

Event List

Question 10

Duration of time of specified length which is known when it begins

Answer 10

Activity

Question 11

Duration of time of unspecified length, which is not known until it ends

Answer 11

Delay

Question 12

A variable representing simulated time

Answer 12

Clock

Question 13

What are the 3 ways an activities duration can be specified?

Answer 13

Deterministic
Statistical
A function depending on system variables and/or entity attributes