Computer System Design Midterm

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CIS 2321

The organizational role most responsible for the analysis and design of information systems best describes a

systems analyst

The process of developing and maintaining an information system best describes

information systems analysis and design

Software designed to support the payroll function would best be classified as

application software

A sequence of step-by-step approaches that help develop the information system best describes

methodologies

A group of interrelated procedures used for a business function, with an identifiable boundary, working together for some purpose, best defines

system

Which of the following is not a system characteristic:

Scope

An aggregation of parts is also called a(n)

Subsystem

The point of contact where a system meets its environment or where subsystems meet each other best describes

Interfaces

Which of the following is not a function of decomposition:

Know the functions of decomposition

Which of the following is a direct result of decomposition:

Modularity

Today, systems development focuses on

systems integration

Transaction processing systems

automate the handling of data about business activities or transactions

Management information systems

take raw data that have been previously captured and convert them into a meaningful aggregated form that managers need to conduct their responsibilities

Decision support systems

are designed to help organizational decision makers make decisions

Which of the following is an IS characteristic for a transaction processing system?

Has a high-volume, data capture focus

Which of the following is an IS characteristic for a decision support system?

Often involves semistructured problems and the need to access data at different levels of detail

Which of the following is an IS characteristic for a management information system?

Draws on diverse yet predictable data resources to aggregate and summarize data

The need for a new or enhanced system is identified during

systems planning and selection

In which SDLC phase will the analyst study the organization's current procedures and the information systems used to perform tasks?

Systems analysis

In which phase will the systems analyst convert the description of the recommended alternative solution into logical and then physical system specifications?

Systems design

A description of the alternative solution recommended by the analysis team is provided during the

systems analysis phase

In which SDLC phase is the information system coded, tested, and installed in the organization?

Systems implementation and operation

Priorities for systems and projects are deliverables for the

systems planning and selection phase

Which of the following is not an approach to systems development?

Reengineering analysis

An individual with a diverse set of skills-management, leadership, technical, conflict management, and customer relationship-who is responsible for initiating, planning, executing, and closing down a project best defines

project manager

Which of the following is not a project planning activity?

Establishing management procedures

During which of the following project planning activities do you use the information regarding tasks and resource availability to assign time estimates to each activity in the work breakdown structure?

Develop a preliminary schedule

Indicating when and how written and oral reports will be provided by the team, how team members will coordinate work, what messages will be sent to announce the project to interested parties, and what kinds of information will be shared with vendors and external contractors involved with the project describes

developing a communication plan

The third phase of the project management process in which the plans created in the prior phases are put into action is

project execution

Which of the following occurs during project execution?

Monitoring project progress against the Baseline Project Plan

A technique that uses optimistic, pessimistic, and realistic time to calculate the expected time for a particular task best defines

Program Evaluation Review Technique (PERT)

Optimistic time refers to

the minimum period of time for an activity to be completed

Pessimistic time refers to

the maximum period of time for an activity to be completed

Realistic time refers to

the planner's "best guess" of the amount of time the activity actually will require for completion

The amount of time that an activity can be delayed without delaying the project refers to

slack time

Which of the following possible project sources most often reflects the broader needs of the organization?

Top management

The extent to which the project is viewed as improving profits, customer service, etc., and the duration of these benefits best defines which of the following evaluation criteria?

Potential benefits

The extent to which the project is viewed as helping the organization achieve its strategic objectives and long-term goals describes

strategic alignment

Analyzing an organization's activities to determine where value is added to products and/or services and the costs incurred best describes

value chain analysis

The primary deliverable from the project identification and selection phase is

schedule of specific IS development projects

As a rule of thumb estimate, what percentage of the entire development effort should be devoted to the project initiation and planning process?

Between 10 and 20 percent

The objective of the project planning process is the development of

Baseline Project Plan and Project Scope Statement

A major outcome and deliverable from project initiation and planning that reflects the best estimate of the project's scope, benefits, costs, risks, and resource requirements defines the

Baseline Project Plan

A major outcome and deliverable from the project initiation and planning phase that contains an estimate of the project's scope, benefits, costs, risks, and resource requirements best defines

Business Case

A benefit derived from the creation of an information system that can be measured in dollars and with certainty is a(n)

tangible benefit

The reduction of waste creation is an example of a(n)

intangible benefit

A cost associated with project start-up and development or system start-up refers to a(n)

one-time cost

A cost resulting from the ongoing evolution and use of a system best defines a(an)

recurring cost

Application software maintenance, new software and hardware leases, and incremental communications are examples of

recurring costs

The concept of comparing present cash outlays to future expected returns best defines

time value of money

The interest rate used to compute the present value of future cash flows refers to

discount rate

The current value of a future cash flow is referred to as

present value

The analysis technique that uses a discount rate determined from the company's cost of capital to establish the present value of a project is commonly called

net present value (NPV)

The ratio of the net cash receipts of the project divided by the cash outlays of the project, enabling trade-off analysis to be made between competing projects, is often referred to as

return on investment (ROI)

The analysis technique that finds the amount of time required for the cumulative cash flow from a project to equal its initial and ongoing investment is referred to as

break-even analysis (BEA)

A document prepared for the customer during project initiation and planning that describes what the project will deliver and outlines generally at a high level all work required to complete the project is the

Project Scope Statement

An Internet-based communication that supports business-to-business activities best describes

Extranet

The use of telecommunications technologies to transfer business documents directly between organizations best defines

electronic data interchange (EDI)

Which of the following is a subphase of analysis?

Requirements determination

Analysts gathering information from as many sources as possible about what the new system should do is indicative of

requirements determination

The primary deliverables from requirements determination include

observation notes; interview transcripts; analysis from documents

The purpose of requirements structuring is to

enable the large amount of information gathered during requirements determination to be organized

Techniques developed to keep the analysis effort minimal, yet still effective include

JAD

Traditional methods of collecting systems requirements include

Interviews

The analysis of documents can help you identify

Problems with existing systems; special info processing circumstances that occur irregularly; the reason why current systems are designed the way they are; the organizational direction that can influence info system requirements

If your analysis of several written procedures reveals a duplication of effort in two jobs, you should

call the duplication to the attention of management as an issue to be resolved before system design can proceed

The official way a system works as described in organizational documentation is referred to as a(n)

formal system

The way a system actually works is referred to as a(n)

informal system

Forms are important for understanding a business because they

indicate what data flow in or out of a system and which are necessary for the system to function

Forms are most useful

when they contain actual organizational data

A report

enables you to work backward from the information on the document and identify the data that must have been necessary to generate it

When reviewing job procedures, you may find

a missing procedure; duplicate procedures; out of date procedures; a contradiction between a formal procedure and interview or observation results

Which of the following is a modern method for collecting system requirements?

Joint Application Design

Drawbacks to prototyping include

Know the drawbacks to prototyping

Prototyping is most useful for requirements determination when

communication problems have existed in the past between users and analysts

The search for, and implementation of, radical change in business processes to achieve breakthrough improvements in products and services best defines

business process reengineering

The structured, measured set of activities designed to produce a specific output for a particular customer or market best defines

key business processes

Which of the following system requirement determination techniques can be applied to discovering and understanding key business processes?

JAD; document analysis; observation; interview

Technologies that enable the breaking of long-held business rules that inhibit organizations from making radical business changes best defines

disruptive technologies

Which of the following technologies disrupted the business rule that information can appear only in one place at a time?

Distributed databases

Which of the following technologies disrupted the business rule of you having to find out where things are?

Automatic identification and tracking technology

Disruptive technologies include

Distributed databases; expert systems; decision support tools; automatic identification and tracking technology

The types of customers to be supported by Pine Valley Furniture's new WebStore include

Corporate customers; home office customers; student customers

The practice of turning over responsibility of some or all of an organization's information systems applications and operations to an outside firm is referred to as

Outsourcing

When developing information systems, an organization could use

Info tech services firm; open-source software; enterprise-wide solution software; in-house development

A system that integrates individual traditional business functions into a series of modules so that a single transaction occurs seamlessly within a single information system rather than several separate systems best describes

enterprise resource planning (ERP)

All of the following are benefits of enterprise solutions, EXCEPT

shifting toward enterprise solutions means changing business processes

One key difference between application service providers (ASPs) and managed service providers (MSPs) is that

MSPs offer network-based services

Open-source software is developed by

communities of interested people

An organization should acquire software from in-house developers when

the resources and staff are available and the system must be built from scratch

Which of the following describes the internal staffing requirements when software components are acquired from packaged software producers?

Some information systems (IS) and user staff to define requirements and evaluate packages are needed

Which of the following describes the internal staffing requirements when software components are acquired from enterprise-wide solutions providers?

Some internal staff are necessary, but mostly consultants are needed.

Which of the following are common criteria to consider when selecting off-the-shelf software

Flexibility; vendor viability; functionality; cost

Two criteria that are always among the most important when choosing software are

ease of installation & flexibility

In terms of criteria to consider when choosing off-the-shelf software, ease of customization is also referred to as

flexibility

In terms of criteria to consider when choosing off-the-shelf software, documentation refers to all of the following EXCEPT

the baseline project plan

The document sent to vendors asking them to propose hardware and software that will meet the requirements of your new system is called a

request for proposal (RFP)

Reuse typically refers to using previously written

objects; components

Reusing software can

decrease development time

Technologies that enable the breaking of long-held business rules that inhibit organizations from making radical business changes best defines

disruptive technologies

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