Info 360 Chapter 12

vendor selection

"Hidden costs," such as ________ costs, can easily undercut anticipated benefits from outsourcing.

portrays a project as a network diagram consisting of numbered nodes that represent tasks.

A PERT chart:

Gantt chart

A ________ shows each task as a horizontal bar whose length is proportional to the time required to complete it.

True

A native app is one that is designed to run on a specific platform.

True

A new information system is not considered in production until conversion is complete.

False

A prototype is the final working version of an information system.

True

A reduced workforce is an example of a tangible benefit of an information system.

feasibility study

A systems analysis includes a ________ that is used to determine whether the solution is achievable from a financial, technical, and organizational standpoint.

True

A test plan includes all the preparations for the series of tests to be performed on the system.

RFP

A(n) ________ is a detailed list of questions submitted to external vendors to determine how well they meet the organization's specific requirements.

provides the final certification that the system is ready to be used in a production setting.

Acceptance testing:

high-level data flow diagrams.

An entire information system is broken down into its main subsystems by using:

True

An information systems plan shows how specific information systems fit into a company's overall business plan and business strategy.

Identify user requirements, develop the prototype, use the prototype, revise and enhance the prototype.

As a technical project manager you have decided to propose implementing a prototyping methodology for a small Web-based design project. What is the order of steps you will follow in this project?

True

Businesses can use component-based development to create their e-commerce applications.

True

CASE tools facilitate the creation of clear documentation and the coordination of team development efforts.

maintenance.

Changes in hardware, software, documentation, or production to a production system to correct errors, meet new requirements, or improve processing efficiencies are termed:

Implement the solution

Developing an information system has been compared to the problem-solving process. Which one of the following problem-solving steps is not a part of systems analysis?

False

Documentation reveals how well the system has met its original objectives.

True

End-user-developed systems can be completed more rapidly than those developed through the conventional programming tools.

False

Ergonomics is the interaction of people and machines in the work environment, including the design of jobs and legal issues.

True

Failure to address properly the organizational changes surrounding the introduction of a new system can cause the demise of an otherwise good system.

True

Gantt and PERT charts are two common formal planning tools for project management.

Component-based development

Groups of objects are assembled into software components for common functions, which can be combined into large-scale business applications, in which type of software development?

change its procedures.

If an organization's requirements conflict with the software package chosen and the package cannot be customized, the organization should:

square boxes.

In a data flow diagram, external entities are represented by:

replaces the old one at an appointed time.

In a direct cutover conversion strategy, the new system:

and the old are run together.

In a parallel conversion strategy, the new system:

Degree is a superclass to Mathematics and Physics.

In an object-oriented development framework for a university, how would the classes Degree, Mathematics, and Physics be related?

an object combines data and processes that act on the data into a single object.

In object-oriented development:

True

In one form of outsourcing, a company hires an external vendor to create the software for its system, but operates the software on its own computers.

are limited to providing information requirements and reviewing the technical staff's work.

In the traditional systems development lifecycle, end users:

True

Intangible benefits of an information system are those that cannot be easily quantified.

False

It is important for all systems development activities to be placed in sequential order.

establishing standards for project requirements.

Management can control the development of end-user applications in part by:

False

More timely information is a tangible benefit of information systems.

objects are reusable.

Object-oriented development could potentially reduce the time and cost of writing software because:

True

Object-oriented development is more iterative and incremental than traditional structured development.

class and inheritance.

Object-oriented modeling is based on the concepts of:

False

Objects are grouped into hierarchies, and hierarchies into classes.

Mobile devices provide access from anywhere.

Of the following, which is the most important reason for creating a mobile version of a business's Web site?

True

One problem with prototyping is that the systems constructed thereby may not be able to handle large quantities of data in a production environment.

Systems analysis, systems design, programming, testing, conversion, production and maintenance

Order the following steps in the systems development lifecycle in the correct sequence.

True

PaaS are online development environments that enable developers to quickly write customer- or employee-facing Web applications.

True

Prototyping is more iterative than the conventional lifecycle.

False

Scope describes the full length of time required to complete a project.

True

Successful implementation of an information system requires the participation of end users in the project.

tests the functioning of the system as a whole.

System testing:

specifies how the new system will fulfill the information requirements.

Systems design:

phased approach

The Girl Scouts' conversion strategy of first introducing the modules for ordering cookies and then introducing the modules for transmitting orders and instructions to the cookie factory and shipper, is called a(n) ________ strategy.

user information requirements.

The entire system-building effort is driven by:

the systems development lifecycle.

The oldest method for building information systems is:

data flow diagram.

The primary tool for representing a system's component processes and the flow of data between them is the:

RAD.

The process of creating workable information systems in a very short period of time is called:

the required technical expertise.

The project risk will rise if the project team and the IS staff lack:

the techniques are step by step, with each step building on the previous one

The term structured, when discussing structured methodologies, refers to the fact that:

JAD

This type of systems development is characterized by significantly speeding the generation of information requirements and involving users at an intense level in the systems design.

structure charts.

To show each level of a system's design, its relationship to other levels, and its place in the overall design structure, structured methodologies use:

Conversion

Transferring data from a legacy system to the new system would be defined by which system design specification category?

tests each individual program separately.

Unit testing:

False

User concerns and designer concerns are usually the same at the beginning of the project.

are oriented to facilitating organizational tasks and solving business problems.

Users prefer systems that:

The ordering process was inefficient for a large volume of orders.

What was the primary problem facing the Girl Scouts regarding their supply chain problems?

testing and documentation may be inadequate.

When systems are created rapidly, without a formal development methodology:

HTML5

Which of the following Web development languages is used for mobile applications because it supports cross-platform mobile applications?

Responsive design

Which of the following is a technique used to create Web sites that will conform to the screen resolution of the user?

Keyboard configuration

Which of the following is not one of the unique considerations in developing applications for a mobile platform?

Systems analysis

Which of the following is not part of the implementation process?

Organizational impact analysis

Which of the following tools may help identify risk areas associated with employee acceptance of a new information system?

Requirements analysis

Which process develops a detailed description of the functions that a new information system must perform?

Portfolio analysis

Which process is used to develop risk profiles for a firm's information system projects and assets?

Prototyping

You are an IT project manager for an advertising firm. The firm wishes to create an online survey tool that will be used to survey focus group reactions to products in development. The most important consideration for the firm is being able to offer the tool as soon as possible as a new corporate service. However, you know that many of the senior managers that are business owners of this project have difficulty in understanding technical or software development issues, and are likely to change their requirements during the course of development. What development method would be most successful for this project?

High-risk, low-benefit projects

You have been hired by a pharmaceutical company to evaluate its portfolio of systems and IT projects. Which types of projects would be best avoided?

portfolio analysis

You would expect to find all of the following in an information systems plan except:

Improved asset utilization, increased organizational learning, and improved operations

________ are intangible benefits of information systems.

Reduced workforce, lower outside vendor costs, and increased productivity

________ are tangible benefits of information systems.

Process specifications

________ describe the transformation occurring within the lowest level of the data flow diagrams. They express the logic of each process.

A scoring model

________ is a method for deciding among alternative systems based on a system of ratings for selected objectives.

CASE

________ provides software tools to automate development methodologies and reduce the amount of repetitive work in systems development.

Project management

________ refers to the application of knowledge, skills, tools, and techniques to achieve specific targets within specified budget and time constraints.