cpt 264 Final Practice – Flashcards

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When using a ____ diagram to investigate causes of a problem, an analyst first states the problem and then draws a main bone with sub-bones that represent possible causes of the problem.
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fishbone
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A(n) __________ refers to a characteristic or feature that must be included in an information system in order to be acceptable to users. [Blank1]
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system requirement
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Projects with very general scope definitions are at risk of expanding gradually, without specific authorization, in a process called project ____.
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creep
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Determining the project ____ means to define the boundaries, or extent, of a project — being as specific as possible.
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scope
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In a typical company organizational model, top managers ____.
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develop long-range plans, called strategic plans, which define the company's overall mission and goals
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If nervousness is a problem when facing an audience, keep all of the following suggestions in mind EXCEPT _____.
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use meaningless filler words and phrases
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When setting priorities for systems requests, the highest priority goes to projects that provide the ____.
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greatest benefit, at the lowest cost, in the shortest period of time
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____ allows objects to be used as modular components anywhere in the system.
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Encapsulation
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____ is a widely used method of visualizing and documenting an information system.
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UML
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In the RAD model in the accompanying figure, the ____________________ phase focuses on program and application development tasks similar to the SDLC. [Blank1]
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construction
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In an object-oriented system, objects can ____ certain attributes from other objects.
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inherit
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A(n) _________________________ describes a company for its stakeholders and briefly states the company's overall purpose, products, services, and values. [Blank1]
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mission statement
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When preparing written documents, keep in mind all of the following suggestions EXCEPT _____.
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impress your audience with the size of your vocabulary
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A data ____ is a central storehouse of information about a system's data.
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repository
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The last step in systems design is to create a __________ and present your results to management.
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systems design specification
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____ is the measure of a system's ability to expand, change, or downsize easily to meet the changing needs of a business enterprise.
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Scalability
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In a(n) ____________________ client/server design, as illustrated in the accompanying figure, the user interface runs on the client and the data is stored on the server, just as with a two-tier design. [Blank1]
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three-tier
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Most date formats now are based on the model established by the International Organization for Standardization (ISO), which requires a format of ____.
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four digits for the year, two for the month, and two for the day (YYYYMMDD)
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After a system is operational, it is not important to monitor system usage or solicit user suggestions.
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False
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Of the measures of feasibility in the accompanying figure, issues that relate to ____ include "Has management established a firm timetable for the project?" and "Will a project manager be appointed?"
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schedule feasibility
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In the accompanying figure showing factors that affect IT systems projects, a company's _________________________ sets the overall direction for the firm and has an important impact. [Blank1]
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strategic plan
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Typically, companies choose in-house software development for all of the following reasons except to ____.
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obtain input from other companies who already have implemented the software
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A major advantage of O-O designs is that systems analysts can save time and avoid errors by using ____ objects.
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modular
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System developers will sometimes choose simpler, low-tech methods and techniques as modeling tools.
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True
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In a DFD, the Gane and Sarson symbol for a data store is a ____.
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flat rectangle that is open on the right side and closed on the left side
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Internet-based commerce is called _________________________ and includes two main sectors: B2C (business-to-consumer) and B2B (business-to-business). [Blank1]
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e-commerce
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Many project managers find ____ charts more helpful for scheduling, monitoring, and controlling projects.
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. PERT/CPM
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If a system must be operational seven days a week, 365 days a year, this is an example of which of the following system requirements?
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performance
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The accompanying figure shows task ____, which each might represent several activities that can be shown in a more detailed chart.
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groups
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A business profile is a graphical representation of one or more business processes that a company performs.
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False
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All system files and databases must be backed up regularly and a series of ____________________ copies must be retained for a specific period of time. [Blank1]
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backup
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Typically, a DBMS is managed by a person called a(n) ____________________, who assesses overall requirements and maintains the database for the benefit of an entire organization rather than a single department or user. [Blank1]
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DBA
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A(n) __________ is an overview that describes a company's overall functions, processes, organization, products, services, customers, suppliers, competitors, constraints, and future direction.
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business profile
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Project scheduling involves all of the following EXCEPT ____.
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defining project constraints
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In a(n) ____________________ client/server design, as illustrated in the accompanying figure, the user interface resides on the client, all data resides on the server, and the application logic can run either on the server, on the client, or be divided between the client and server. [Blank1]
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two-tier
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Which of the following is the first major activity in the systems analysis phase?
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requirements modeling
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In an entity-relationship diagram, entities are represented as ____.
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rectangles
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All of the following are categories of system requirements EXCEPT ____.
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dynamics
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The ____ method of developing systems is well-suited to project management tools and techniques.
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structured analysis
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During data design, the data dictionary is transformed into a physical __________. [Blank1]
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data repository
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A ____ path includes all tasks that are vital to the project schedule.
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critical
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In a DFD, the Gane and Sarson symbol for an entity is a ____.
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rectangle, which may be shaded to make it look three-dimensional
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All of the following are metrics of a successful project EXCEPT ____.
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completion with the same personnel as were on the team at the outset
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Which of the following technical support functions serves as a clearinghouse for user problems and solutions?
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user support
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Which of the following is true about B2C?
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online to last-minute travelers.
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____________________ can involve dependent tasks, multiple successor tasks, and multiple predecessor tasks. [Blank1]
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Task patterns
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A ____ is an event that could affect a project negatively.
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risk
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Growth in open-source software such as __________ has increased demand for powerful open-source development tools.
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Linux
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Project managers always must be aware of the ____ path, so they can monitor the vital tasks and keep the project on track.
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critical
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A class can belong to a more general category called a(n) ____.
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superclass
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When two or more concurrent tasks depend on a single prior task, the concurrent tasks are called ____ tasks.
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successor
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PERT/CPM is called a(n) ____ technique, because it analyzes a large, complex project as a series of individual tasks.
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bottom-up
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When planning an information system, a company must consider how a new system will interface with older systems, which are called ____.
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. legacy systems
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When determining economic feasibility, a systems analyst must consider a project's benefits compared to the project's ____________________, which includes ongoing support and maintenance costs, as well as acquisition costs. [Blank1]
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TCO
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____ software controls the flow of data, provides data security, and manages network operations.
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System
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When a systems request form is received, a systems analyst or IT manager examines it to determine what IT resources (including ____) are required for the preliminary investigation.
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either a or b
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The concept that a message gives different meanings to different objects is called ____.
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polymorphism
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A popular technique for investigating causes and effects is called a(n) ____ diagram, which is an analysis tool that represents the possible causes of a problem as a graphical outline.
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fishbone
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To help perform present value analysis, adjustment factors for various interest rates and numbers of years are calculated and printed in tables called ____________________. [Blank1]
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present value tables
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Because source documents should be stored in a safe location for some specified period of time, a company should have a(n) ____________________ that meets all legal requirements and business needs. [Blank1]
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ecords retention policy
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Microsoft's ____ is one of the major Web-based development environments.
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NET
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____________________ is a percentage rate that measures profitability by comparing the total net benefits (the return) received from a project to the total costs (the investment) of the project. [Blank1]
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ROI
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A(n) ____ chart displays complex task patterns and relationships.
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PERT/CPM
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The newest category of company is the _________________________ whose primary business depends on the Internet rather than a traditional business channel. [Blank1]
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.com company
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Many companies offer incentives for online transactions because Web-based processing costs are lower than the costs of traditional methods.
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True
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A(n) __________ is a person, place, thing, or event for which data is collected and maintained. [Blank1]
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entity
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The data dictionary usually records and describes a default value, which is the ____.
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value for the data element if a value otherwise is not entered for it
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Another term for business logic is business ____________________. [Blank1]
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rules
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The ____ phase of the SDLC includes four main activities: requirements modeling, data and process modeling, object modeling, and consideration of development strategies.
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systems analysis
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In a use case diagram, the user becomes a(n) __________, with a specific role that describes his or her interaction with the information system. [Blank1]
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actor
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A feasibility study includes tests for ____ feasibility, which means that the projected benefits of the proposed system outweigh the estimated costs.
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economic
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__________ refers to the practice of storing backup media away from the main business location, in order to mitigate the risk of a catastrophic disaster. [Blank1]
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Offsite
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Typically, a higher-level module, called a(n) __________, directs lower-level modules, called subordinate modules.
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control module
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__________ is the process of reviewing the program code to spot logic errors, which produce incorrect results. [Blank1]
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Desk checking
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A(n) __________ is the main line of defense between a local network and the Internet. [Blank1]
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firewall
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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. [Blank1]
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test plan
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__________ analysis allows you to vary one or more elements in a model in order to measure the effect on other elements. [Blank1]
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What-if
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A comprehensive test plan should include __________ for every possible situation the program could encounter. [Blank1]
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scenarios
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A system becomes __________ when users no longer require its functions or when the platform becomes outmoded. [Blank1]
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obsolete
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Of all performance measurements, users complain the most about __________.
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response time
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An _______________ can make it easier to program interactive software products by providing built-in tools and advanced features, such as real-time error detection, syntax hints, highlighted code, class browsers, and version control. [Blank1]
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IDE
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A(n) __________ consists of related program code organized into small units that are easy to understand and maintain. [Blank1]
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module
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Organizations sometimes establish a __________, which is a separate IT location, that can support critical business systems in the event of a catastrophic disaster.
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hot site
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_______________ should contain both correct data and erroneous data and should test all possible situations that could occur. [Blank1]
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Test data
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The _____________ approach causes the changeover from the old system to the new system to occur immediatley when the new system becomes operational. This changeover approach is usually the least expensive, but it does involve higher risk than other changeover approaches. [Blank1]
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direct cutover
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A comprehensive test plan should include __________ for every possible situation the program could encounter. [Blank1]
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scenarios
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A system becomes __________ when users no longer require its functions or when the platform becomes outmoded. [Blank1]
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obsolete
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Of all performance measurements, users complain the most about __________.
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response time
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An _______________ can make it easier to program interactive software products by providing built-in tools and advanced features, such as real-time error detection, syntax hints, highlighted code, class browsers, and version control. [Blank1]
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IDE
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A(n) __________ consists of related program code organized into small units that are easy to understand and maintain. [Blank1]
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module
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A comprehensive test plan should include __________ for every possible situation the program could encounter. [Blank1]
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scenarios
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Because source documents should be stored in a safe location for some specified period of time, a company should have a(n) ____________________ that meets all legal requirements and business needs. [Blank1]
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ecords retention policy
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____ software controls the flow of data, provides data security, and manages network operations.
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System
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When planning an information system, a company must consider how a new system will interface with older systems, which are called ____.
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legacy
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All system files and databases must be backed up regularly and a series of ____________________ copies must be retained for a specific period of time. [Blank1]
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backup
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Typically, companies choose in-house software development for all of the following reasons except to ____.
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obtain input from other companies who already have implemented the software
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A major advantage of O-O designs is that systems analysts can save time and avoid errors by using ____ objects.
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modular
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System developers will sometimes choose simpler, low-tech methods and techniques as modeling tools.
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True
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Typically, companies choose in-house software development for all of the following reasons except to ____.
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Correcta. obtain input from other companies who already have implemented the software
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A feasibility study includes tests for ____ feasibility, which refers to the practical resources needed to develop, purchase, install, or operate the system.
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technical
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Your final report to management should include final versions of all system __________. [Blank1]
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documentation
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_______________ is a software development process that stresses solid design, acccurate documentation, and careful testing. [Blank1]
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software engineering
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A module that performs a single function or task has a high degree of __________, which is desirable. [Blank1
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cohesion
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Guidelines to follow when determining data entry and storage considerations include all of the following except ____.
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data duplication should be encouraged
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A(n) ____________________, which is required at the end of the preliminary investigation and again at the conclusion of the systems analysis phase, might have to be given more than once in some situations. [Blank1]
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oral presentation
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The ____________________ is the time that a task is scheduled to begin. [Blank1]
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start
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Strategic planning focuses mostly on day-to-day activities, with little regard for the future of the company.
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False
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A(n) ____________________ is a review of a project team member's work by other members of the team. [Blank1]
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structured walk-through
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The IT team must be prepared to understand and help plan a firm's long-term strategic goals.
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True
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Projects where management has a choice in implementing them are called ____ projects.
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discretionary
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A(n) ____ is a user interface that allows users to interact with graphical objects and pointing devices.
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GUI
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In a data dictionary, ____ refers to whether the data element contains numeric, alphabetic, or character values.
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type
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In addition to configuring software, an IT staff can create a user ____, which includes screens, commands, controls, and features that enable users to interact more effectively with the application.
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interface
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Companies that develop software for sale are called __________. [Blank1]
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software vendors
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The ____ method of developing systems stresses team interaction and reflects a set of community-based values.
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adaptive
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Prototyping produces an early, rapidly constructed working version of a proposed information system, called a(n) ____________________. [Blank1]
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prototype
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When companies use a ____, they already know the specific products or service they want and need to obtain price quotations or bids from vendors.
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RFQ
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A three-tier design includes a middle layer between the client and server that processes the client requests and translates them into data access commands that can be understood and carried out by the server.
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true
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in data and process modeling, a(n) ____ model shows what the system must do, regardless of how it will be implemented physically.
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logical
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Wal-Mart's inventory control system is an example of which of the following types of information systems?
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enterprise computing
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The first step in the creation of a PERT/CPM chart is to ____.
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identify all the project tasks
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The term _________________________ refers to the reasons, or justification, for a systems development proposal. [Blank1]
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business case
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The chart in the accompanying figure represents a bottom-up technique, because it analyzes a large, complex project as a series of individual tasks, called ____________________. [Blank1]
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project tasks
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in online processing systems, data is collected and processed in groups.
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False
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_________________________ programs run on a company intranet and enable users to share data, collaborate on projects, and work in teams. [Blank1]
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Groupware
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__________ is an online input method that combines online data entry and automated data capture using input devices such as RFID tags or magnetic data strips. [Blank1]
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Source data automation
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Objects can have a specific attribute called a(n) ____, which describes the object's current status.
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state
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____ methods include the latest trends in software development.
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Agile/Adaptive
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Modern programming languages, such as Visual Basic and Java, are called non-procedural, or event-driven, languages because instead of writing a series of sequential instructions, a programmer defines the actions that the program must perform when certain events occur.
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True
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____ is an example of a discretionary project.
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Creating a new report for a user
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The systems requirement document is also called the __________. [Blank1]
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software requirements specification
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Three main types of relationships that can exist between entities are a one-to-one relationship, abbreviated 1:1; a one-to-many relationship, abbreviated 1:M; and a many-to-many relationship, abbreviated M:N.
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True
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During business hours, a salesperson can enter a sale on a ____ terminal, which is part of an information system that handles daily sales transactions and maintains the online inventory file.
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POS
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In a typical company, ____________________ might include calculating sales trends, filing online insurance claims, ordering inventory from a supplier's system, or verifying e-mail addresses for Web customers. [Blank1]
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processes
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The ____ of an object is an adjective that describes the object's current status.
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state
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ROI is calculated with the formula _____.
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ROI = (total benefits - total costs) / total costs
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A systems request form should not ____.
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have complex instructions
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to know _____, ask the question, "Is this communication necessary, and what specific results am I seeking?"
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WHY you are communicating
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In a report, the recommendations section is used to _____.
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present the best system alternative, with a brief explanation
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In the OSI (open system interconnection) model, the application layer ____.
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provides network services requested by a local workstation
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In a data dictionary, a(n) ____ is the smallest piece of data that has meaning within an information system.
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field
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When determining outsourcing fees, a ____ uses a set fee based on a specified level of service and user support.
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fixed fee model
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In the accompanying figure showing the components of an information system, the people, called _________________________, interact with an information system, both inside and outside the company. [Blank1]
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users
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With a computer and a projection system, ____________________, such as Microsoft PowerPoint, can be used to create slides with sounds, animation, and graphics. [Blank1]
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presentation software
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The concept that the quality of the output is only as good as the quality of the input, which sometimes is known as ____, is familiar to IT professionals, who recognize that the best time to avoid problems is when data is entered.
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GIGO
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Microsoft has developed a method for measuring a system's total costs and benefits, called ____, which is a framework to help IT professionals analyze and optimize IT investments.
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REJ
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A ____ is a text document written in HTML.
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Web page
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Many IT professionals use the term Web 2.0 to describe a __________ of the World Wide Web that will enable people to collaborate, interact, and share information much more dynamically.
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second generation
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Initial screen designs can be presented to users in the form of a(n) ____, which is a sketch that shows the general screen layout and design.
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storyboard
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Traditional companies sometimes are called _________________________ companies because they conduct business primarily from physical locations. [Blank1]
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brick-and-mortar
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