Flashcards

1
Q

The process used to acquire inputs, such as people, capital, and material, and transform them into outputs, such as products and services.

A

Operations

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2
Q

Who allocates resources?

A

Operations manager

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3
Q

Facilities and equipment

A

Capital

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4
Q

Developing capabilities that customers value, can be sustained over the long-term, and competitors find difficult to replicate.

A

Competitive Advantage

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5
Q

The process of separating production from consumption; cannot be done for services because they are produced and consumed simultaneously.`

A

Inseparability

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6
Q

The application of knowledge, tools, processes, and procedures to solve problems.

A

Technology

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7
Q

The characteristics, features, and performance of the product; how the product functions; does not fundamentally change the product. Example: changing Coca-Cola’s beverage containers from glass to aluminum.

A

Product Design

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8
Q

The application of knowledge to improve the product.

A

Product Technology

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9
Q

What is used to accomplish a task?

A

Process

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10
Q

When individuals with different expertise work towards a common goal; this is an essential business process.

A

Cross-functionality

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11
Q

Completing product design and process design simultaneously.

A

Concurrent Engineering

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12
Q

Subsystems within an organization, such as marketing, finance, and accounting, that are linked together by a common organizational goal.

A

Functional Areas

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13
Q

Consists of the organizational goals and the methods of implementing the goals; every element of the SWOT analysis should be considered when developing strategies.

A

Strategy

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14
Q

Main goals of an organization.

A

Key policies

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15
Q

The formal relationships among different functional areas that aids in communication.

A

Organizational structure

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16
Q

Where one entity has an advantage over another; will often trade their specialized products for those that they do not produce; are able to produce products at a lower cost than their competitors

A

Relative Advantage

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17
Q

A free trade agreement between the United State, Mexico, and Canada to reduce tariffs and other trade restrictions.

A

North American Free Trade Agreement (NAFTA)

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18
Q

A trade agreement designed to reduce tariffs and other trade restrictions.

A

General Agreement on Tariffs and Trade (GATT)

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19
Q

Balancing the interconnected obligations to economic viability, society, and the environment (the triple bottom line).

A

Sustainability

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20
Q

What is the percentage of businesses that operate within the service sector?

A

88%

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21
Q

Supplies and equipment that aid in the development of products and services.

A

Supporting Goods

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22
Q

The percentage of sales in a particular market.

A

Market Share

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23
Q

VIRAL

A

Value, Inimitable, rare, aptitude, and lifespan.

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24
Q

Analyzing the internal (strengths and weaknesses) and external (opportunities and threats) environments.

A

SWOT Analysis

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25
Q

What is required to developing competitive advantage?

A

SWOT, business process, competitive capabilities, and customer requirements.

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26
Q

Continuously improving a product to make it better and cheaper.

A

Learning curve

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27
Q

Teamwork where the whole is greater than the sum of its parts.

A

Synergy

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28
Q

Strategy development, product development, system development, and order fulfillment.

A

Key Process

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29
Q

The process of producing goods and system.

A

System

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30
Q

Matching strengths to opportunities.

A

Matching

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31
Q

Converting weaknesses or threats into strengths or opportunities.

A

Converting

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32
Q

Output / Input; the goal is achieving more output given the amount of inputs, thus saving money and reducing production costs.

A

Productivity

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33
Q

Starting in the late 1800s, increases in manufacturing productivity reduced the need for physical labor and enabled a shift towards service-based jobs.

A

The First Revolution

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34
Q

Productivity and efficiency improvements in manufacturing freed resources for the rapid expansion of the service industry.

A

The Second Revolution

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35
Q

Also known as the post-industrial era, this revolution began in the 1950s with the development of computers. This technology has allowed fewer people to do more work.

A

The Third Revolution

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36
Q

The ability to perform dependably and accurately.

A

Reliability

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37
Q

Knowledge and courtesy of employees and their ability to convey trust and confidence.

A

Assurance

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38
Q

The complete overhaul of a process to improve performance.

A

Process Redesign

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39
Q

How quality is defined by the business; often measured as the amount of a desired attribute; objective.

A

Quality (internal)

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40
Q

How quality is defined by the customer and the product’s fitness for use; meets customer’s needs and expectations; subjective.

A

Quality (external)

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41
Q

Ask what they value (not just what they want), how do they work, what makes them happy, and feedback on specific product attributes.

A

Questions for Customers when Improving Products

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42
Q

Failure costs, appraisal costs, and prevention costs.

A

Costs of Quality

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43
Q

Costs accrued by the organization or customer as the result of a failure of the product.

A

Failure Costs

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44
Q

Investments in measuring quality and assessing customer satisfaction.

A

Appraisal Costs

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45
Q

Investments designed to prevent defects from occurring.

A

Prevention Costs

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46
Q

Mistake proofing; an approach to prevent defects, such as color-coding parts so that customers assemble the product correctly.

A

Poka-yoke

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47
Q

Products should be designed so that they are simple and inexpensive to produce.

A

Design for Manufacture and Assembly (DFMA)

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48
Q

Services should be simple and inexpensive.

A

Design for Operation (DFO)

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49
Q

The development of products that appeal to the changing wants and needs of customers.

A

Quality Planning

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50
Q

Ensure that the product fits the customer’s perception of fitness for use.

A

Quality Control

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51
Q

Leadership ought to lead efforts to eliminate waste and errors.

A

Quality Improvement

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52
Q

A team from all levels who meet to discuss, analyze, and eliminate quality issues using Deming’s 14 points; a senior manager overseas their progress and approves their changes.

A

Quality Circles

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53
Q

An organization-wide philosophy that calls for 1) focusing on the customer, 2) quality function deployment, 3) responsibility for quality, 4) team problem-solving, 5) employee training, and 6) fact-based management.

A

Total Quality Management (TQM)

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54
Q

Describes what customers want and what they like and dislike; can get to know customers, hold focus groups, and request improvement suggestions; the business can also use their knowledge of how the customer would benefit from a new technology that they are not familiar with to create a future need on behalf of the customer.

A

Voice of the Customer

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55
Q

Relating customer needs and expectations to specific design characteristics through a series of grids or matrices.

A

Quality Function Deployment (QFD)

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56
Q

The matrix used in Quality Function Deployment (QFD); lists customer needs (WHATs), design characteristics related to these needs (HOWs), the nature of the relationship between each customer’s need and design characteristic (WHAT versus HOW), the reasons for WHATs (WHYs), and performance comparisons on design characteristics against competitors (HOW MUCH).

A

House of Quality

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57
Q

Where quality control obligations traditionally fell; now, it is up to everyone to ensure quality.

A

Quality Control Department

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58
Q

Developing a preset procedure

A

Standardization

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59
Q

The act of putting a procedure into writing.

A

Documentation

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60
Q

2000: An international quality standard.

A

ISO 9000

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61
Q

Fishbone diagrams, check sheets, control charts, histograms, Pareto charts, scatter diagrams, and control charts (classified as flow/run charts).

A

Seven Tools of Statistical Process Control (SPC)

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62
Q

Used to record data points in real-time at the site where the data is generated; raw data is collected without interpretation and then depicted using a different statistical tool.

A

Check Sheets

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63
Q

Shows the frequency of data observations within a preset range of values.

A

Histogram/Box Chart

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64
Q

Displays data as a relationship between two variables; correlations can be drawn based upon the data. The controlled variable is the independent variable.

A

Scatter Plot

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65
Q

A bar chart that reflects data values in a descending order.

A

Pareto Chart

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66
Q

A graphical depiction of process outputs where the raw data is plotted in real-time within upper control limits (UCL) and lower control limits (LCL); this allows one to determine if a process is stable or trending towards instability and take corrective action before variations result in non-conforming products.

A

Control Chart

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67
Q

Another form of a control chart for processes that have common features, a common scale, or a central tendency; an optimal line is drawn horizontally across the chart to gauge the central tendency (see Page 30 for example).

A

Run Chart

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68
Q

Relates to the firm’s ability to produce error-free products; uses six standard deviations rather than three, which translates to 3.4 defects per 1 million units (99.99966% error-free). Uses the DMAIC (Define, Measure, Analyze, Improve, and Control) process; uses quantitative and qualitative techniques.

A

Six Sigma

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69
Q

Used in the Six Sigma “define” stage to include all aspects of a project to ensure optimal success, including the project scope, problem statement, time frame, boundaries, and team members.

A

Project Charter

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70
Q

The “define, measure, analyze, improve, and control” process of Six Sigma.

A

DMAIC

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71
Q

Provides an overview of an entire process.

A

Value Stream Mapping

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72
Q

Defines the supplier-input-process-output-customer relationships in a process.

A

SIPC Chart

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73
Q

Used to identify potential causes of defects, errors, breakdowns, or failures.

A

Failure Modes and Effects Analysis (FMEA)

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74
Q

Determines the accuracy and repeatability of the measurement methods and devices used to control variation in the process.

A

Measurement System Analysis

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75
Q

Real-time solving of problems within complex systems with many different factors that are difficult to isolate.

A

Design of Experiments (DOE)

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76
Q

A team that can make rapid changes using ideas from those involved in the process.

A

Kaizen Teams

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77
Q

Sort, straighten, shine, standardize, and sustain; used to create visual control of the workplace.

A

5S Methodology

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78
Q

Define, measure, analyze, design, and verify; this method is like Six Sigma, but it is used specifically for new products and processes.

A

DMADV/Design for Six Sigma (DFSS)

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79
Q

When using Six Sigma, these specialists are developed within an organization who are experts in specific methods.

A

Black Belts/Green Belts

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80
Q

A concise verbal statement of the problem, based upon the organization’s expectations.

A

Problem Statement

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81
Q

A concise verbal statement of the problem, based upon the organization’s expectations.

A

Problem Statement

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82
Q

Products throughout their development cycle, from raw material through the final consumer product.

A

Supply Chain

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83
Q

The organization that directs the flow of information, and has the most influence and control, across the supply chain; Apple doesn’t manufacturer, but the product design and marketing-focused firm is focal because it’s brand dominants the market; also, the companies that own the oil fields and refineries are the focal firms because they control the key resource in the supply chain.

A

Focal Firm

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84
Q

Owning multiple assets in a supply chain.

A

Vertical Integration

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85
Q

A manufacturer purchases components from tier 1 suppliers. When they produce these components, they may purchase components from tier 2 suppliers, and so on.

A

Tier # Suppliers

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86
Q

Managing the movement of materials, components, and information along the supply chain.

A

Logistics

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87
Q

Taking actions to have all members of the supply chain coordinate their activities and share information.

A

Supply Chain Management

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88
Q

The process of returning defective products and efforts to reuse and recycle materials.

A

Reverse Logistics

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89
Q

When goods are provided from within the organization.

A

Insourced

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90
Q

When goods are obtained from outside suppliers.

A

Outsourced

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91
Q

Owning its suppliers.

A

Backward Vertical Integration

92
Q

Owning distribution systems and retail outlets.

A

Forward Vertical Integration

93
Q

Fast and reliable supply chains that can transmit information reliably, accurately, and quickly from the marketplace to supply chain members; can create flexible and responsive production processes that allow product differentiation.

A

Agile Supply Chains

94
Q

Supply chains that can keep costs down and minimize inventory; perfect for functional items with long life cycles, stable demand, and minimal innovation that produce low profit margins; by keeping inventory low, it increases the chances of bottlenecks related to supply shortages

A

Lean Supply Chains

95
Q

When the vendor/supplier coordinates its own inventory replenishment by receiving daily point-of-sale (POS) data from retail stores.

A

Vendor Managed Inventory (VMI)

96
Q

Having outside suppliers work inside the firm and handle all purchases for the business, as they are more knowledgeable of the supplies, inventory levels, and future production plans.

A

Just-in-Time II (JIT II)

97
Q

A model developed by the Supply Chain Council (SCC) to divide all supply chain activities into five groups: plan, source, make (how a product will be made, in what quantities, and where), deliver (through each supply chain stage), and return (such as warranty costs, repairs, customer satisfaction, disposal, etc.); is used as a framework in development supply chain performance management systems.

A

Supply Chain Operations Reference (SCOR) Model

98
Q

The time between when a company owes money to suppliers when it receives money from customers.

A

Cash-to-Cash Cycle

99
Q

Finished Goods Inventory / Average Sales per Day; when there are more sales

A

Days of Supply (DoS)

100
Q

Companies that exist as an administrative shell that outsources all other functions.

A

Virtual Company

101
Q

Market (demand), process (throughput), and product (supply).

A

Primary Constraints in a System

102
Q

When a resource’s capacity to less than or equal to demand for that resource.

A

Contraint

103
Q

The most limiting constraint on the system, whereby requiring the longest time or slowest rate.

A

Bottleneck

104
Q

Occurs when the production process’s capacity, flexibility, or activities is its own biggest limitation.

A

Process Bottleneck

105
Q

Caused by under-investment, under-utilization, weather, road construction, physical location, or geographical limits.

A

Physical Bottleneck

106
Q

When there are insufficient materials to make a product.

A

Product Bottleneck

107
Q

The rate of flow; the process that allows the supply chain to flow.

A

Throughout

108
Q

The practice of helping suppliers improve their production capabilities.

A

Supplier Development

109
Q

A partnership with mutual benefits that can be realized through supply chain collaboration so that there is more time to focus on core competencies.

A

Strategic Alliances

110
Q

The logistical practice of unloading materials from one truck and loading them into another vehicle with minimal storage in between.

A

Cross-Docking

111
Q

Outsourcing logistics to third-parties.

A

Third-Party Logistics (3PL)

112
Q

Using electromagnetic fields to identify and track tags attached to objects.

A

Radio-Frequency Identification

113
Q

A measure of an organization’s ability to provide customers with goods in the amount requested and in a timely manner, given current resources; the maximum sustainable rate of production.

A

Capacity

114
Q

Planning an organization’s ability to deliver at capacity; significant capital is usually involved to build facilities and purchase equipment; require careful consideration of long-term objectives, current demand, and long-term demand.

A

Capacity Planning

115
Q

Different products produced on the same equipment.

A

Product Mix

116
Q

The ability of an organization to produce a sufficient number of goods to meet customer demands.

A

System Capacity

117
Q

A portion of the production system.

A

Department

118
Q

A process that is characterized by high demand for the same or similar products; for example, the process of continuously producing paper along the supply chain; this system often measures output as the number of items produced per day.

A

Product Layout

119
Q

A process that is characterized by the production of many different products with the same equipment and low volume for each product; an example is a car repair shop that offer a variety of services; this system often measures output as completed orders per day.

A

Process Layout

120
Q

The maximum achievable output of a process under ideal conditions for a short period of time.

A

Design Capacity

121
Q

The maximum achievable output given the product mix, equipment changeovers, and downtime.

A

Effective Capacity

122
Q

Actual Output / Design Capacity; used to measure how much capacity is actually being used on an average basis.

A

Capacity Utilization

123
Q

The effective capacity minus additional factors that reduce production, such as a fuel stop.

A

Actual Output

124
Q

Actual Output / Effective Capacity; used to measure how much effective capacity is being used to achieve output.

A

Efficiency

125
Q

The state where output is as close to the system capacity as possible.

A

Throughput

126
Q

The placement of a facility with regards to a company’s customers, suppliers, and other facilities; should be a long-term, strategic investment.

A

Facility Location

127
Q

Requires that each production facility has a defined marketing area that produces a complete line of products for that area; used when customer convenience is important, or when transportation costs are high.

A

Regional Facility Strategy

128
Q

One facility is responsible for producing one product or product line and shipping it throughout the world; good for expensive, small, specialized products that require many resources to produce.

A

Product Facility Strategy

129
Q

Costs which change and can be adjusted as business conditions change.

A

Variable Cost

130
Q

One dollar received today is worth more than one dollar received at some future point, such as through investment.

A

Time Value of Money

131
Q

Determining the most appropriate method of completing a task; volume, cost, and profit are three critical elements when selecting a process.

A

Process Selection

132
Q

Applying the appropriate mix of technology to leverage the organization’s workforce.

A

Volume

133
Q

Making a workforce more productive using better tools.

A

Leverage

134
Q

Low variety operations; have high fixed costs and low variable costs.

A

Line Flow Process

135
Q

Where low-variety units are mixed and flow together in a high-volume continuous stream, such as oil refining or processing checks; the main scheduling dilemma stems from knowing the best time to switch from making one product to another.

A

Continuous Flow

136
Q

The assembly of low-variety discrete products, such as washing machines, at high volume; each output is trackable.

A

Assembly Line

137
Q

A process that aggregates similar products together to generate sufficient volume for efficient use; transition/changeover time is required between batches;

A

Batch Flow

138
Q

A general and flexible facility that has much higher unit costs but cater to individual customer demands; produces low quantities of any given item, but large amounts of quantity overall; low fixed costs and high unit-variable costs.

A

Job Shop

139
Q

All costs are variable; often a “fixed position”, such as a building or computer hardware; flexible and require expert teams to implement.

A

Project

140
Q

Allow the production of low-cost products that need varying customer requirements; relies upon group technology to build a family of parts.

A

Flexible Manufacturing Systems (FMS)

141
Q

A set of methods that allow firms to classify parts based on size, shape, use, material, and production method.

A

Group Technology

142
Q

A collection of parts with similar characteristics.

A

Family of Parts

143
Q

Producing products at low cost, high volumes, and high flexibility; meets the various needs of customers.

A

Mass Customization

144
Q

Reducing costs from increasing production for a single product type using existing resources.

A

Economies of Scale

145
Q

An attempt to predict the future by using past experience to gain insights into the future with mathematical models.

A

Forecasting

146
Q

The difference between what actually happens and what is predicted.

A

Forecasting Error

147
Q

Consists of determining forecast objectives, developing a model using historical data, applying the model, consider real-world constraints on the model, and revising and evaluating the forecast using human judgement.

A

Forecasting Process

148
Q

Demand that is not controlled by the company, such as finished products.

A

Independent Demand

149
Q

Demand generated by a company’s production process, such as components for a computer that a company is producing.

A

Dependent Demand

150
Q

Indicates which items and how many of each item to produce.

A

Master Schedule

151
Q

Lists the needed materials and quantities of materials; it also provides information on how the materials come together; like a recipe.

A

Bill of Materials (BOM)

152
Q

Deciding based upon input from a panel of experts who deliver their input via surveys.

A

Delphi Technique

153
Q

Adding together estimates from each element from an organization, from the bottom to the top;

A

Build-up method

154
Q

When a new product in placed in an area that is representative of the overall market to measure its success; an expensive approach that usually reports accurate findings.

A

Test Market

155
Q

used to predict both cross-sectional and time series data.

A

Regression Analysis

156
Q

Collected by observing many subjects at the same point in time or without regard to differences in time.

A

Cross-Sectional Data

157
Q

A series of values of a quantity obtained at successive times, often with equal intervals between them.

A

Time Series Data

158
Q

An average that smooths out peaks in the data to provide a more reasonable prediction; calculated by taking the sum of each of the data points and dividing them by the number of data points; used to forecast future data.

A

Simple Moving Average

159
Q

An average that assigns different weights to each period; calculated by taking each value, multiplying them by their respective weights, and then summing each result.

A

Weighted Moving Average

160
Q

A procedure for continually revising an estimate to include more recent data. Each data point is calculated separately, and each low and high weight is also shown separately. The overall formula is F = A(X) + [(1 - A) * (X)], where the “A” represents the low and high weights and “X” represents the previous data point. This calculation is performed twice for each period, once for the low and once for the high weight.

A

Exponential Smoothing

161
Q

How much error is inherent in a model? Calculated by using the mean squared error (MSE) or mean absolute deviation (MAD).

A

Propensity for Error

162
Q

The average of all the squared errors; square each of the error rates (the difference between the actual and the predicted results), add them together, and divide by the number of periods.

A

Mean Squared Error (MSE)

163
Q

Similar to mean squared error (MSE), excepted instead of squaring each of the error rates, one should simply drop the minus signs from the negative values, add them all together, and then divide by the number of periods.

A

Mean Absolutely Deviation (MAD)

164
Q

Forecasts that range from six to 18 months; used in the aggregate plan.

A

Medium-Range Forecasts

165
Q

A plan that usually lasts for around five years that addresses facilities, resources, and building.

A

Long-Range Operations Planning

166
Q

A plan that develops ways to utilizes resources to meet demand; usually span from six to 18 months.

A

Medium-Range Operations Planning

167
Q

The combination of individual end items into groups or families of parts for planning purposes; for example, an appliance manufacturer may begin medium-range planning by determining production rates for each product family, such as fridges, stoves, and dishwashers.

A

Aggregate Planning

168
Q

Based on the aggregate plan, this schedule provides more detail, such as identifying the cubic feet, energy efficiency, and layout of a fridge model; determines the exact product mix that a company will use; disaggregates the aggregate plan; for example, whereas the iPod may be the basis for the aggregate plan, the 5th Generation iPod Touch in Gray and Silver is reflected in the master production schedule.

A

Master Production Schedule

169
Q

The length of time a company uses as the basis for developing a plan, forecast, or schedule. Should be long enough to account for lead times of all products and their component parts, plus additional buffer time.

A

Planning Horizon

170
Q

A short period of time in which demand and requirements are grouped for master scheduling and material requirements planning.

A

Time Bucket

171
Q

Revision/improvement

A

Iteration

172
Q

Inventory that has not yet been sold. Take the on-hand inventory and subtract it from the customer orders booked.

A

Available-to-Promise

173
Q

Multiple versions of the master production schedule (MPS).

A

Trials

174
Q

The process of continuously updating master production schedules.

A

Rolling Through Time

175
Q

Preventing changes to the master product schedule (MPS) to avoid disruption.

A

Freezing the Master Schedule

176
Q

Act as boundaries between periods in the planning horizon; corresponds to the cumulative lead time to make a product; events outside of this are not captured in the master schedule.

A

Time Fences

177
Q

The process of managing inventory for dependent demand items; the three most important data requirements are the master production schedule (MPS), the bill of materials (BOM), and inventory records.

A

Material Requirements Planning (MRP)

178
Q

A way to reconcile inventory records and correct errors; a physical count of the inventory is made at least once per replenishment cycle.

A

Cycle Counting

179
Q

The period between orders to replenish inventory.

A

Replenishment cycle

180
Q

Producing a material requirements planning (MRP) table for each item in a bill of materials (BOM); the BOM is exploded each time a company runs an MRP table.

A

Exploding the BOM

181
Q

The quantity that should be ordered, based upon an insufficient quantity reported in the master production planning (MRP) table.

A

Planned Order Release

182
Q

Authorizes production to make certain components.

A

Shop Order

183
Q

Authorization for a vendor to supply materials.

A

Purchase Order

184
Q

Gives the order of priority for jobs to be completed.

A

Daily Dispatch List

185
Q

Has a broader focus on the tools of production planning and tracking; improves MRP such as introducing automating planning/tracking with digital tools; extends the value stream beyond when the material is received so that it covers the entire manufacturing and shipping processes; includes finance, human resources, and shipping.

A

Material Requirements Planning (MRP) II

186
Q

An enterprise-wide view of data-driven productivity; it began with material requirements planning (MRP) to focus on materials, followed by the entire manufacturing system (MRP II), and then, finally, an enterprise-wide scope (ERP).

A

Enterprise Resource Planning (ERP)

187
Q

Guidelines for the order in which of a set of procedures should take place.

A

Sequencing Rules

188
Q

Occurs as the result of a planned event, such as a release date; a pro of planning for peak demand is that one can guarantee that capacity is available during peak demand, but a con is that capacity is often underutilized during non-peak times, whereby wasting money; sufficient capacity is available at all time to ensure that capacity is available during peak demand.

A

Peak Demand

189
Q

The process of varying the workforce and using overtime to adjust production rates to match demand; this strategy requires a flexible workforce.

A

Chase Demand

190
Q

When demand is not even throughout the day.

A

Uneven Demand

191
Q

Allows organization to determine advance demand while also limiting access to this service.

A

Reservation Strategy

192
Q

Requiring customers to exert effort during transactions, such as pumping one’s own gas or serving themselves at a buffet; this process saves money.

A

Consumer Participation

193
Q

The ability the use a portion of facilities or employees at any given time, such as closing off a section of a restaurant when demand is low so that some wait staff can prepare for peak demand.

A

Adjustable Capacity

194
Q

Used to determine capacity.

A

Capacity Requirement Planning (CRP)

195
Q

A company that only provides goods that are ordered.

A

Make-to-Order Company

196
Q

A company that produces for inventory and future demand.

A

Made-to-Stock Company

197
Q

Having the optimal number of appropriate workstations and the appropriate amount of work per station so that idle time is low, preferably zero.

A

Assembly-Line Balancing

198
Q

Current Inventory / Usage Rate; used to calculate how long it will take for a company to run out of a product at current usage rates.

A

Run-Out Time

199
Q

A level of inventory to protect against unexpected demand or supplier delays as to keep overall production levels constant.

A

Safety Stock

200
Q

Partly-finished parts or components.

A

Work-in-process (WIP)

201
Q

Inventory from the time it leaves the warehouse until it is delivered to the customer.

A

Pipeline Inventory

202
Q

An inventory system that continuously monitors inventory levels, An advantage is that the company will always have a good inventory count. The disadvantage is the cost to maintain such a system.

A

Perpetual Inventory System

203
Q

The least-acceptable level of inventory; orders are often performed automatically based upon this data point.

A

Order Point

204
Q

Used when a company does not know their inventory level or if the supplier will only deliver at a specific interval during their order window. Adn advantage is that this system is low-cost. The downside is the inability to determine exact inventory balances without a physical count, whereby necessitating safety stocks.

A

Periodic Review System

205
Q

When the inventory runs out.

A

Stock-out

206
Q

Used to determine which inventory items should receive the highest level of control, through multiplying the dollar value of each item by its annual usage. Items are ranked by dollar usage, from highest to lowest. Following the Pareto Principle, the first 20% of the items are assigned to Class A, characterized as having close control and monitoring through a perpetual inventory system. Class B items comprise the next 30%, and they deserve less attention. Class C items are the last 50% of stocked items, characterized by lowest dollar usage and can be monitored loosely through a periodic review system.

A

ABC Analysis

207
Q

The principle that only 20% of all items account for 80% of total dollar usage.

A

Pareto Principle

208
Q

A model that determines the per-order quantity at which annual variable costs for holding and ordering inventory are minimized; whenever ordering costs go up, holding costs go down, and vice-versa, selects the point where both intersect on a graph; the model calculates whole inventory items that arrive complete.

A

Economic Order Quantity (EOQ)

209
Q

The cost of ordering components or changing over equipment to produce it in-house (set-up costs).

A

Ordering Cost

210
Q

The costs of holding inventory; includes costs for storage space and losses incurred due to damage or obsolescence.

A

Holding/Carrying Cost

211
Q

1) Constant known demand, 2) Cost per unit is not dependent on order quantity, 3) Entire order delivered at once, and 4) ordering and carrying costs are known and independent.

A

Economic Order Quantity (EOQ) Assumptions

212
Q

The time it takes for an order to reach a supplier’s office, to fill the order, and to ship the order.

A

Lead Time

213
Q

The percentage of replenishment orders that are received before a stock-out occurs; considers the probability of a stock-out vs the costs of inventory to find the right percentage.

A

Service Level

214
Q

Measures how far numbers spread apart. For example, if the average inventory is 10 units, and the inventory tends to run between six and 14 units, the measurement is four.

A

Standard Deviation

215
Q

A model that helps companies control the cost of ordering, receiving, and holding inventory; this model allows for incomplete inventory to arrive, thus proving useful for businesses that produce their own parts; also known as Production Order Quantity.

A

Economic Production Quantity (EPQ)

216
Q

Characterized by maximizing efficiency and eliminating waste; encompasses standardized processes with single-piece flow, allowing variety; focus on a smooth, even flow of high-volume production; often used synonymously with “lean systems”; minimizes work-in-process (WIP) inventory; transition to general-use machines; move workers closer together so they can hand-off material throughout the process; make blanket purchases; uses a pull system; often has shorter planning horizons with small batch sizes and less scheduling; low inventories help spot inefficiencies.

A

Just-in-Time (JIT)

217
Q

Toyota’s version of Just-in-Time (JIT) and lean systems.

A

Toyota Production System (TPS)

218
Q

Moves materials through the process based upon a schedule.

A

Push System

219
Q

Moves materials through the process as needed.

A

Pull System

220
Q

The Japanese word for “card” that is used to signal the need for more materials or parts at downstream operations; developed by Toyota; used in pull systems.

A

Kanban

221
Q

An authorization to move a container of parts or materials; nothing can move without it.

A

Conveyance Kanban (C-Kanban)

222
Q

Inventory at a work center can only be replenished when a container is emptied, whereby preventing the hoarding of extra parts.

A

Single-Card Kanban System

223
Q

Used to authorize the production of parts.

A

Production Kanban (P-Kanban)

224
Q

Combines Conveyance Kanban (C-Kanban) and Production Kanban (P-Kanban); allows greater control over production and inventory.

A

Dual-Card Kanban System

225
Q

Preventing defecting parks or equipment failure in the process; also known as total productive maintenance; relies on preventive maintenance, the allocation of time for maintenance, and operator responsibility for maintenance (as opposed to departmental responsibility).

A

Total Preventive Maintenance (TPM)

226
Q

The number of units of each end product produced at a time is as small as possible, and the total production of each matches average demand during the scheduling horizon. For example, if the scheduling horizon is 20 days, and the demand during that period is expected to be 300 units, a level schedule work require 15 units (300/20) be produced per day. Makes demand for each part fairly uniform throughout the day.

A

Level Assembly Schedule

227
Q

Work Time per Day / Units Required per Day; a measure of how often a product is made.

A

Cycle Time