ICT 2621 CH 2 STRUCTURED SYSTEM ANALYSIS AND DESIGN

Question 1

biometric devices

Answer 1

A mechanism used to uniquely identify a person by a retina scan or by mapping a facial pattern.

Question 2

blockchain

Answer 2

A distributed ledger system. The technology underlying Bitcoin.

Question 3

business case

Answer 3

Refers to the reasons, or justification, for a proposal.

Question 4

case for action

Answer 4

A part of the preliminary investigation report to management that summarizes project
requests and makes specific recommendations.

Question 5

computer resources committee

Answer 5

A group of key managers and users responsible for evaluating systems requests. The term “systems review committee” is also used.

Question 6

constraint

Answer 6

A requirement or a condition that the system must satisfy or an outcome that the system must achieve.

Question 7

critical success factors

Answer 7

Vital objectives that must be achieved for the enterprise to fulfill its mission.

Question 8

customer relationship management (CRM)

Answer 8

Many companies implement systems to integrate all customer-related events and transactions including marketing, sales, and customer service activities.

Question 9

discretionary projects

Answer 9

Where management has a choice in implementing a project, they are called discretionary. For example, creating a new report for a user is an example of a discretionary project.

Question 10

economic feasibility

Answer 10

Achieved if the projected benefits of the proposed system outweigh the estimated costs involved in acquiring, installing, and operating it.

Question 11

electronic proof of delivery (EPOD)

Answer 11

A supplier uses RFID tags on each crate, case, or shipping unit to create a digital shipping list to verify receipt of goods.

Question 12

electronic data interchange (EDI)

Answer 12

The exchange of business documents between computers using a standard electronic format.

Question 13

electronic product code (EPC)

Answer 13

Technology that uses RFID tags to identify and monitor the movement of each individual product, from the factory floor to the retail checkout counter.

Question 14

encryption

Answer 14

A process where data is coded (converted into unreadable characters) so that only those with the required authorization can access the data.

Question 15

fishbone diagram

Answer 15

An analysis tool that represents the possible causes of a problem as a graphical outline. Also called an Ishikawa diagram.

Question 16

intangible benefits

Answer 16

Positive outcomes that are difficult to measure in dollars. However, intangible benefits can be very important in the calculation of economic feasibility. An example of an intangible benefit might be a new website that improves a company’s image.

Question 17

intangible costs

Answer 17

Items that are difficult to measure in dollar terms, such as employee dissatisfaction.

Question 18

Internet-of-Things (IOT)

Answer 18

Devices connected over a computer network.

Question 19

just-in-time (JIT)

Answer 19

The exchange or delivery of information when and where it is needed, For example, just-in-time inventory systems rely on computer-to-computer data exchange to minimize unnecessary inventory.

Question 20

mission statement

Answer 20

A document or statement that describes the company for its stakeholders and briefly states the company’s overall purpose, products, services, and values.

Question 21

nondiscretionary projects

Answer 21

Where management has no choice in implementing a project, they are called non-discretionary. For example, adding a report required by a new federal law.

Question 22

operational feasibility

Answer 22

A system that will be used effectively after it has been developed.

Question 23

Pareto chart

Answer 23

A vertical bar graph named for a nineteenth-century economist. The bars, which represent various causes of a problem, are arranged in descending order, so the team can focus on the most important causes.

Question 24

preliminary investigation

Answer 24

An initial analysis to clearly identify the nature and scope of the business opportunity or problem. Also called a feasibility study.

Question 25

project creep .

Answer 25

The process by which projects with very general scope definitions expand gradually, with out specific authorization

Question 26

project scope

Answer 26

A specific determination of a project’s boundaries or extent.

Question 27

scatter diagram

Answer 27

A tool used by system analysts to graphically show the correlation between two variables. Also called an XY chart.

Question 28

schedule feasibility

Answer 28

A project can be implemented in an acceptable time frame.

Question 29

strategic planning

Answer 29

The process of identifying long-term organizational goals, strategies, and resource.

Question 30

SWOT analysis

Answer 30

An examination of a company’s strengths (S), weaknesses (W), opportunities (O), and threats (T).

Question 31

systems request

Answer 31

A formal appeal to the IT department that describes problems or desired changes in an information system or business process. It might propose enhancements for an existing system, the correction of problems, or the development of an entirely new system.

Question 32

tangible benefits

Answer 32

Positive outcomes that can be measured in dollars. They can result from a decrease in expenses, an increase in revenues, or both.

Question 33

tangible costs

Answer 33

Expenses that have a specific dollar value. Examples include employee salaries and hardware purchases.

Question 34

technical feasibility

Answer 34

When an organization has the resources to develop or purchase, install, and operate the system.

Question 35

total cost of ownership (TCO)

Answer 35

A number used in assessing costs, which includes ongoing support and maintenance costs, as well as acquisition costs.