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Systems Analysis
Chapter 1
79
Computer Networking
Undergraduate 2
09/21/2010

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Term
Deliverable
Definition
In systems development the result of each phase is a
Term
Prototype
Definition
Early working version of an information system.
Term
websphere
Definition
IBM internet-based systems development system
Term
scalable
Definition
Design that can expand to meet new business requirements
Term
What if
Definition
Analysis method that tests variables before making a decision
Term
System Software
Definition
Manages the hardware components
Term
Legacy systems
Definition
Older Systems
Term
Dot.com
Definition
Common way to describe businesses who depend on the internet
Term
Systems analysis and design
Definition
Step-by-Step process for developing information systems
Term
Business support systems
Definition
Provide job-related information support to users
Term
B2C
Definition
Business to consumer
Term
information system
Definition
Combines Technology, people and data into a system
Term
Business process systems
Definition
used to represent a company's operations and information needs
Term
vertical system
Definition
System designed for use by a specific business or industry
Term
corporate culture
Definition
set of beliefs and attitudes that define a company
Term
strategic plans
Definition
plan that defines the company's overall mission and goals
Term
hardware
Definition
physical layer of an information system
Term
B2B
Definition
Business to business
Term
systems analysts
Definition
Team who plan, develop, and maintain information systems.
Term
Requirements model
Definition
describes the information that a system must provide
Term
End users
Definition
Another term for users
Term
.net
Definition
Microsoft Internet-Based systems development solution is (dot)
Term
users
Definition
people who interact with an information system
Term
class
Definition
collection of similar objects
Term
project scope
Definition
defining the specific boundaries of a project
Term
risk management
Definition
process of controlling risks to minimize their impact
Term
just in time
Definition
inventory system to provide the right product on time
Term
weakness
Definition
an example would be "budget increase was turned down"
Term
goals
Definition
steps used to accomplish the company's mission
Term
user survey
Definition
method of obtaining information from a large group of users
Term
operational feasibility
Definition
a proposed system used effectively once developed
Term
appendix
Definition
report section where to attach supporting information
Term
Risk
Definition
an event that could affect a project negatively
Term
technical feasibility
Definition
refers to the technical resources needed for the new system
Term
business case
Definition
reasons or justifications for a proposal
Term
encryption
Definition
coding the data to keep it safe from unauthorized users
Term
external
Definition
constraint due to an outside force
Term
present
Definition
constraint that must be met as soon as a system is developed
Term
objectives
Definition
a company may break down a goal into shorter term -
Term
expected benefits
Definition
report featuring anticipated benefits
Term
preliminary investigation
Definition
a systems request is studied and an action recommended
Term
findings
Definition
report section featuring results of preliminary investigation
Term
SWOT analysis
Definition
Examines strengths, weaknesses, opportunities and threats
Term
mission statement
Definition
describes a company for its stakeholders
Term
Threats
Definition
an example would be "aggressive new Web competition"
Term
Biometric devices
Definition
Ability to identify a person by retina scan
Term
strategic planning
Definition
Process of identifying long-term goals and strategies
Term
Internal
Definition
constraint due to a requirement within
Term
probability
Definition
represents the chance that the risk will happen
Term
Pareto Chart
Definition
Widely-used tool for visualizing and prioritizing issues
Term
Pareto Chart
Definition
Widely-used tool for visualizing and prioritizing issues
Term
Mandatory
Definition
when is absolutely essential to meet a constraint
Term
Future
Definition
Constraint needed at some future time
Term
survey
Definition
Another term for questionnaire
Term
security
Definition
controls that safeguard and protect the system
Term
system requirement
Definition
feature that must be included in the system
Term
performance
Definition
system characteristics such as speed and volume
Term
site visit
Definition
physical location visit used to observe system in use
Term
histogram
Definition
vertical bar that shows distribution sampling results
Term
cut over phase
Definition
changeover to a new system phase
Term
document review
Definition
system documentation to help understand system
Term
questionnaire
Definition
document containing standardized questions
Term
private key
Definition
can decrypt a public key
Term
informal structure
Definition
when people have more influence than job title indicates
Term
use case diagram
Definition
Visually represents interaction between user and system
Term
sequence diagram
Definition
shows the timing of interactions between objects
Term
leading questions
Definition
questions that suggest or favor a particular reply
Term
productivity software
Definition
includes word processing and spreadsheet programs
Term
research
Definition
fact-finding technique to obtain information
Term
unified modeling language
Definition
method of documenting software system design
Term
processes
Definition
logical rules that transform data into valuable information
Term
sampling
Definition
process of collecting a variety of document samples
Term
scalability
Definition
ability to expand to meet new needs and volumes
Term
close ended questions
Definition
questions that limit or restrict response
Term
construction phase
Definition
program and application development phase
Term
actor
Definition
a "use case diagram" where user has specific role
Term
outputs
Definition
electronic or printed information produced by system
Term
interview
Definition
planned meeting to obtain information from a person
Term
inputs
Definition
necessary data that enters the system
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