Ch 1 - 13 SE

The System Development Process is a portion of the System Life Cycle. For the model used in this class, we could simply say that the System Development Process is the first [A] phases of the System Life Cycle

6

Name the 3 phases in the Engineering Development stage

Advanced Development Engineering Design Integration and Evaluation

The identification and reduction of development risks and the development of system design specifications

Advanced Development Phase

A harmonious or satisfying arrangement or proportion of parts or elements, as in a design or a composition" is a definition of

Balance

Can be found in a wide variety of system types.

Commonality functional element

elements are diverse elements which have intricate relationships with one another.

Complex

Selects the preferred concept. It answers the question: "What are the key characteristics of a system concept that would achieve the most beneficial balance between capability, operational life, and cost?"

Concept Definition Phase

Name the 3 stages of the Systems Life Cycle used in this course

Concept Development Engineering Development Post-Development

According to our textbook, In which phase of the system life cycle do we visualize the components of the system.

Concept Exploration

Examines potential system concepts in answering the questions: "What performance is required of the new system to meet the perceived need?"

Concept Exploration Phase

In our model for this class, there are 3 major stages to the System Life Cycle, each with 3 phases. What is the second phase of the first stage?

Concept exploration

CONOPS stands for

Concept of Operations

Facilitate the transmission of electricity, fluid, force, and so on, between components.

Connector Interface

Name the 3 basic types of interfaces.

Connectors Isolators Converters

Which of these SE tools displays external entities and their interactions with the system and instantly allows the reader to identify those external entities?

Context Diagram

What is the principal objective of the second phase of the System Life Cycle?

Convert the operationally oriented view of the system into an engineering oriented view

Alter the form of the interaction medium.

Converter Interface

In the system design hierarchy of complex systems, the typical domain for Systems Engineers is all 5 levels

False, covers down through Components

to lead, manage, or direct, usually based on superior experience in pursuing a given course.

Guide

The function of systems engineering is to [A] the [B] and [C] of [D].

Guide, Engineering, Development, Complex Systems

The concept of operations (CONOPS) answers what question(s)?

How Who

What are the 3 basic entities on which Systems operate?

Information Material Energy

Types of Environmental Interactions

Inputs and Outputs System Operators Operational Maintenance Threats Support Systems System Housing Shipping and Handling Environment

The process of integrating the engineered components of a complex system into a functioning whole

Integration and Evaluation Phase

The functional relationships are called

Interactions

What are the inter-component boundaries are called?

Interfaces

Inhibit interactions.

Isolator Interface

Provide structure and transformation of materials

Material element

MOE stands for

Measure of Effectiveness

In our model for this class, there are 3 major stages to the System Life Cycle, each with 3 phases. What is the first phase of the first stage?

Needs Analysis

What is the first phase of the first stage in the system life cycle model?

Needs Analysis

Name the 3 phases in the Concept Development stage

Needs Analysis Concept Exploration Concept Definition

Defines the need for a new system.

Needs Analysis Phase

What are the 2 primary inputs into the first phase of the System Life Cycle?

Operational deficiencies Technological opportunities

During the Needs Validation step the set of operational objectives are mapped to a set of [A]

Operational requirements

Name the four steps, mapped to the Systems Engineering Method, in Concept Exploration:

Operational requirements analysis Performance requirements formulation Implementation concept exploration Performance requirements validation

Which of the following areas includes provision of a structure that will lead to quantitative analysis of alternatives and optimal decisions?

Operations Research

Name the 4 steps, mapped to the Systems Engineering Method, in performing the needs analysis for a new system:

Operations analysis Functional analysis Feasibility definition Needs validation

What are the 5 basic components of almost all scenarios?

Physical environment Mission objectives Competition Architecture Sequence of events

What are the 6 systems engineering domains highlighted in the textbook?

Political/Legal Social Engineering Human Technical Management

When we are analyzing the needs for a projected new system, the needs are likely being met currently, in some fashion, already. This entity is known as the

Predecessor System

Which of the following phases is not part of the system development portion of the systems life cycle?

Production

Name the 3 phases in the Post-Development stage

Production Operation and Support End of Life

Name the 4 steps in the Systems Engineering Method

Requirements Analysis Functional Definition Physical Definition Design Validation

What are the primary activity's in the second phase of the System Life Cycle?

Requirements analysis Concept synthesis Feasibility experiments

What are the 4 classes of Functional Elements?

Signal Data Material Energy

Sense and communicate information

Signal element

What are the three criteria for the functional elements that may be used to ensure that each element is neither trivially simple nor inordinately complex and has wide application?

Significance Singularity Commonality

Must perform a distinct and significant function, typically involving several elementary functions.

Significance functional element

Should fall largely within the technical scope of a single engineering discipline.

Singularity functional element

In the hierarchy of a complex system, what is right under the component level?

Subcomponent

For environmental interactions, electric power grids and the internet are examples of

Support Systems

a set of interrelated components working together toward some common objective.

System

According to the textbook, what are the 2 primary inputs for the second phase of the System Development Process?

System operational effectiveness System capabilities

According to the textbook, what are the 2 primary outputs for the first phase of the System Development Process?

System operational effectiveness System capabilities

Which of these is NOT a primary activity in the first phase of the System Life Cycle?

System performance requirements

What are the 2 primary outputs of the second phase of the System Life Cycle?

System performance requirements Candidate system concepts

The central objective is the system as a whole and the success of its mission, i.e. the subordination of individual goals and attributes in favor of those of the whole system. This is called the

Systems Engineering Viewpoint

Name the 5 levels of the "Model of a Complex System"

Systems, Subsystems Components, Subcomponents Parts

A systems engineer needs to have significant capabilities in which of these components?

Technical Depth Technical Breadth Management Expertise

From an example given in the textbook, a system output of a passenger aircraft is

Transported passengers

A big job of Systems Engineering is managing interfaces.

True

An airline reservation system and a passenger aircraft are both examples of Signal and Data Systems of Complex Systems.

True

Disposal of the system way at the end of its life is an important consideration that should be addressed during the early stages of system development

True

In systems engineering, the driver of an automobile is part of that system's environment

True

In the Systems Engineering method there are 4 basic steps in each phase?

True

In the hierarchical model of a system, the level where Systems Engineers and Design Specialists overlap in their domain is at the Component level

True

In the system design hierarchy of complex systems, the typical domain for Design Specialists is the bottom 3 levels.

True

Putting gasoline into a car is an example of an energy input into a system.

True

Reading a car's speedometer is an example of Information output of a system

True

The system Context diagram shows all external interfaces of a system

True

Threats are considered a type of environmental interaction for systems

True

Two drivers for the future of systems engineering are that systems will be more complex and economic factors.

True

Typical characteristics of major systems development efforts are projects that take years to complete, involve several different disciplines and are performed by several organizations.

True

Weather satellites and oil refineries are examples of systems requiring systems engineering.

True

In the System Concept, the Functional and performance requirements answer what question(s)?

What How much

In the System Concept, the Scenarios answer what question(s)?

Where When

In the System Concept, the Operational Requirements answer what question(s)?

Why

What does the term Systems mean?

A set of interrelated components working together toward some common objective.

The systems engineer seeks the [A] of the critical system attributes from the standpoint of the success of the development program and of the value of the system to the user.

Best Balance

Interpret, organize, and manipulate information

Data element

One of the main categories for systems engineering products is

Documents

Which of the following phases in the systems life cycle is NOT shown in the textbook.

End of Life

What are the three entities or types of input and output of a system?

Energy Information Material

Provide energy and motive power

Energy element

the application of scientific principles to practical ends; as the design, construction and operation of efficient and economical structures, equipment, and systems.

Engineering

According to our textbook, which phase of the System Life Cycle is focused on the bottom three levels of the Model for Complex Systems?

Engineering Design

Detailed engineering design of the system is performed during this phase

Engineering Design Phase

What is THE main purpose of the first phase of the System Life Cycle?

Establish the valid need for a new system

All organizations around the world agree on the same model for the Systems Life Cycle.

False

Decisions made in the 1st Stage of the System Development Process DO NOT have very much impact on the costs incurred in the 2 nd and 3rd Stages of the Process.

False

For the systems engineer, ease of maintenance and adherence to schedule are not critical attributes for the "best" system.

False

In the Systems Engineering Method, in each phase the basic steps have the same names.

False

Radios and TV's are examples of systems requiring systems engineering.

False

System Engineering is the same as project management.

False

Systems Engineering typically leads the planning and control aspects.

False

Systems engineering always seeks the system with the best possible technical performance.

False

Systems engineering is basically project management for engineers.

False

Systems engineers do not need to worry about Operation and Support costs during the Research and Development part of the systems project.

False

The Systems Life Cycle and the Systems Development Process are essentially the same thing

False