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Open-ended questions
Encourage spontaneous and unstructured responses.
Discretionary projects
Projects where management has a choice in implementing them.
Usability metrics
Data obtained by using software that can record and measure user interaction with a system.
Delaying the project deadline
One of the options available to a project manager when recognizing that a project is in trouble.
Project reporting
Includes informing management, users, and the project team about the progress of a project.
System architecture
Marks the end of the systems design phase of the SDLC.
GanttProject
A free open-source Java-based project management tool that is available on multiple platforms.
Process symbols
On lower-level diagrams with multiple processes, there should not be more than nine.
Attributes
Similar to adjectives that describe the characteristics of an object.
Personal interview
Usually is the most expensive fact-finding technique.
Varied mix of input
Most users work with this as they perform their day-to-day job functions.
SaaS
Reduces the customer's need for software maintenance, operation, and support.
Tangible benefits
Result from a decrease in expenses, an increase in revenues, or both.
four-model approach
Many analysts follow a four-model approach, which means that they develop a physical model of the current system, a logical model of the current system, a logical model of the new system, and a physical model of the new system.
User support
_______ provides users with technical information, training, and productivity support.
test plan
A ______ consists of detailed procedures that specify how and when the testing will be performed, who will participate, and what test data will be used.
data flow diagram
A data flow diagram does not show the detailed contents of a data store.
normal forms
The three normal forms constitute a progression in which third normal form represents the best design.
systems support and security phase
During the ____________, the IT staff maintains, enhances, and protects the system.
Brooks' law
In some situations, adding more people to a project actually might increase the time necessary to complete the project because of a principle called _________.
weight factors in an evaluation model
No standard method exists for assigning the weight factors.
gray hole
A ________ is a process that has at least one input and one output, but the input obviously is insufficient to generate the output shown.
in-house software development
Satisfying unique security requirements is one reason for _____________.
IT services and support
As users rely more heavily on information systems to perform their jobs, they are likely to request even more IT services and support.
True
A statement that is correct or accurate.
False
A statement that is incorrect or inaccurate.
Prototype
In very complex systems, the _______ can become unwieldy and difficult to manage.
Peer Review
Generally, systems analysts review the work of other systems analysts, and programmers review the work of other programmers, as a form of __________.
JAD Project Leader
The JAD project leader develops an agenda, acts as a facilitator, and leads the JAD session.
Switch
At the center of a star network is the _____, which manages the network and acts as a communications conduit for all network traffic.
Object Relationship Diagram
An __________ shows the objects and how they interact to perform business functions and transactions.
Black Box
In DFDs, a process symbol can be referred to as a _______, because the inputs, outputs, and general functions of the process are known, but the underlying details and logic of the process are hidden.
Intangible Benefit
A new website that enhances the company's image is an example of a ___________.
Cloud-Based Services
If a user's Internet connection becomes unavailable, the user will be unable to access any ___________.
Coupling
Coupling describes the degree of interdependence among modules.
System Documentation
System documentation describes the system's functions and how they are implemented.
Selection Structure
The selection structure is the completion of a decision-making process.
Selection Structure
The completion of one or more process steps based on the results of a test or condition.
Sequential Steps
Steps in a chronological order, one after another.
Iteration
A process step that is repeated until a specific condition changes.
Condition
A specific condition that is repeated until a process changes.
Black Box
An object can be viewed as a ________, because a message to the object triggers changes within the object without specifying how the changes must be carried out.
Backup Media
Backup media can include tape, hard drives, optical storage, and online storage.
Interface Designer
The interface designer must understand the underlying business functions and how the system supports individual, departmental, and enterprise goals.
Use Case
A ________ represents the steps in a specific business function or process.
Business Decisions
Internal and external factors affect every business decision that a company makes, and IT projects are no exception.
Benchmark Test
A _______ is conducted in a controlled environment, which might not resemble the actual day-to-day situation at the project's company.
Logical Model
The end product of data and process modeling is a logical model that will support business operations and meet user needs.
Offshore Outsourcing
The main reason for __________ is the same as for domestic outsourcing: lower bottom-line costs.
Data Dictionary Length
_______ is the maximum number of characters for an alphabetic or a character data element or the maximum number of digits and number of decimal positions for a numeric data element.
Context Diagram
To draw a ________, you start by placing a single process symbol in the center of the page.
System Boundary
When a use case diagram is created, the first step is to identify the _________, which is represented by a rectangle.
Project Triangle
The three legs of a __________ are cost, scope, and time.
Effective online documentation
An important productivity tool because it empowers users and reduces the time that IT staff members must spend in providing telephone, email, or face-to-face assistance.
Adaptive and perfective maintenance activities
Eventually, both ____________ increase in a dynamic business environment.
Scalability
Means that a system can be expanded, modified, or downsized easily to meet the rapidly changing needs of a business enterprise.
Highest priority project requests
Projects that provide the greatest benefit, at the lowest cost, in the shortest period of time.
Evaluating scalability
Requires information about projected future volume for all outputs, inputs, and processes.
Interview
A planned meeting during which a systems analyst obtains information from another person.
Dumpster diving attacks
Involve an intruder raiding desks or trash bins for valuable information.
Mainframe architecture
A system design where the server performs all the processing.
Web-centric architecture
Follows Internet design protocols and enables a company to integrate new applications into its e-commerce strategy.
RFPs and RFQs
Have the same objective: to obtain vendor replies that are clear, comparable, and responsive, so that a well-informed selection decision can be made.
Requirements validation and verification (V&V)
Concerned with demonstrating that the requirements define the system that the customer really wants.
Significant digit codes
Distinguish items by using a series of subgroups of digits.
Value-added reseller (VAR)
A firm that enhances a commercial package by adding custom features and configuring it for a particular industry.