Quiz
IS321
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Questions in this quiz (155)
1Most firms give their IT budgets a low priority in good economic times.
- ATrue
- BFalse
2In an information system, data is information that has been transformed into input that is valuable to users.
- ATrue
- BFalse
3After developing a model, many CASE tools can generate program code, which impedes and slows down the implementation process.
- ATrue
- BFalse
4Network administration includes hardware and software maintenance, support, and security.
- ATrue
- BFalse
5Many companies find that a trend called empowerment, which gives employees more responsibility and accountability, improves employee motivation and increases customer satisfaction.
- ATrue
- BFalse
6Which is one of the main sectors of ecommerce?
- Aa. C2B (consumer-to-business)
- Bb. C2C (consumer-to-consumer)
- Cc. BPM (business process model)
- Dd. B2C (business-to-consumer)
7For complex models, analysts can choose computer-based modeling tools that use ______ , which includes standard shapes and symbols to represent events, processes, workflows, and more.
- Aa. business process modeling notation (BPMN)
- Bb. joint application development (JAD)
- Cc. electronic data interchange (EDI)
- Dd. rapid application development (RAD)
8Identify a method of developing systems that is well-suited to traditional project management tools and techniques.
- Aa. Rapid Application Development
- Bb. Object-oriented analysis
- Cc. Structured analysis
- Dd. Adaptive method
9A(n) _____ investigates, analyzes, develops, installs, evaluates, and maintains a company's information systems.
- Aa. application developer
- Bb. network administrator
- Cc. database administrator
- Dd. systems analyst
10User productivity systems _____ .
- Aa. simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied
- Bb. provide job-related information to users at all levels of a company
- Cc. process data generated by day-to-day business operations
- Dd. include groupware programs that enable users to share data, collaborate on projects, and work in teams
11Systems requests do not deal with factors involved in improving service.
- ATrue
- BFalse
12A strategic plan that stresses technology tends to create an unfavorable climate for IT projects that extends throughout an organization.
- ATrue
- BFalse
13A SWOT analysis examines a firm's technical, human, and financial resources.
- ATrue
- BFalse
14Feasibility analysis is an ongoing task that must be performed throughout the systems development process.
- ATrue
- BFalse
15Competition drives many information systems decisions.
- ATrue
- BFalse
16_____ planning is the process of identifying long-term organizational goals, strategies, and resources.
- Aa. Prospect
- Bb. Strategic
- Cc. Vertical
- Dd. Pilot
17The objective of a _____ is to use the combined judgement and experience of several analysts to evaluate systems projects.
- Aa. system networking committee
- Bb. topology identification committee
- Cc. data storage committee
- Dd. computer resources committee
18The term _____ refers to the reasons, or justification, for a proposal.
- Aa. work statement
- Bb. problem charter
- Cc. business case
- Dd. use case
19Projects that provide the _____ are assigned the highest priority when setting priorities for systems requests.
- Aa. greatest benefit, at the highest cost, in the shortest period of time
- Bb. least benefit, at the highest cost, in the longest period of time
- Cc. least benefit, at the lowest cost, in the longest period of time
- Dd. greatest benefit, at the lowest cost, in the shortest period of time
20A _____ is a requirement or condition that a system must satisfy or an outcome that a system must achieve.
- Aa. constraint
- Bb. trigger
- Cc. query
- Dd. key
21A _____ (sometimes called an epic) is a simple, high-level statement of a requirement.
- Aa. schema
- Bb. kernel
- Cc. feature
- Dd. script
22The ability to manage information is the mark of successful systems analyst and an important skill for all IT professionals.
- ATrue
- BFalse
23In a sequence diagram, vertical arrows represent messages from one object to another.
- ATrue
- BFalse
24When preparing a representative sample from a list of 200 customers who complained about errors in their statements, a _____ might select every tenth customer for review.
- Aa. stratified sample
- Bb. comprehensive sample
- Cc. random sample
- Dd. systematic sample
25In the early stages of systems analysis, interviews usually focus on specific topics, but as the fact-finding process continues, the interviews become more general.
- ATrue
- BFalse
26To obtain answers to requirements questions, the analyst develops a _____ plan, which involves answers to five familiar questions: who, what, where, when, and how.
- Aa. rapid application
- Bb. stratification
- Cc. fact-finding
- Dd. sequencing
27System requirements serve as benchmarks to measure the overall acceptability of a finished system.
- ATrue
- BFalse
28What process is concerned with demonstrating that the requirements define the system that the customer really wants?
- Aa. gathering
- Bb. representing
- Cc. validation
- Dd. hunting
29Which is a functional requirement?
- Aa. The contact management system shall generate a daily reminder list for all sales representatives.
- Bb. The system must be operational 7 days a week, 365 days a year.
- Cc. The system should work on Windows and Mac platforms.
- Dd. Response time must not exceed four seconds.
30Compared with traditional methods, the entire rapid application development (RAD) process is expanded and, as a result, the new system is built, delivered, and placed in operation much later.
- ATrue
- BFalse
31In a DFD, the Gane and Sarson symbol for a process is a _____ .
- Aa. rectangle with rounded corners
- Bb. line with a single or double arrowhead
- Cc. flat rectangle that is open on the right side and closed on the left side
- Dd. rectangle, which may be shaded to make it look three-dimensional
32A spontaneous generation process is a process that _____ .
- Aa. no input
- Bb. at least one output and one input, but the output obviously is insufficient to generate the input shown
- Cc. no output
- Dd. at least one input and one output, but the input obviously is insufficient to generate the output shown
33A _____ description documents the details of a functional primitive, which represents a specific set of processing steps and business logic.
- Aa. logic
- Bb. primitive
- Cc. process
- Dd. function-based
34In a data dictionary, data elements are combined into _____ , which are meaningful combinations of data elements that are included in data flows or retained in data stores.
- Aa. fields
- Bb. columns
- Cc. records
- Dd. decimals
35The iteration structure is the completion of _____ .
- Aa. one or more process steps based on the results of a test or condition
- Bb. steps in a chronological order, one after another
- Cc. a process step that is repeated until a specific condition changes
- Dd. a specific condition that is repeated until a process changes
36DFD symbols are referenced by using all ____ letters for the symbol name.
- Aa. capital
- Bb. lowercase
- Cc. italicized
- Dd. boldfaced
37The major benefit of _____ is that it gives a clear picture of current system functions before any modifications or improvements are made.
- Aa. the four-model approach
- Bb. balancing
- Cc. leveling
- Dd. both b and c
38Leveling _____ .
- Aa. uses are series of increasingly detailed DFDs to describe an information system
- Bb. ensures that the input and output data flows of the parent DFD are maintained on the child DFD
- Cc. uses a series of increasingly vague DFDs to describe an information system
- Dd. ensures that the input and output data flows of the child DFD are maintained on the parent DFD
39Because Diagram 0 is a(n) _____ version of process 0, it shows considerably more detail than a context diagram.
- Aa. contracted
- Bb. expanded
- Cc. condensed
- Dd. retracted
40In a DFD, the Gane and Sarson symbol for a data flow is a _____ .
- Aa. rectangle with rounded corners
- Bb. line with a single or double arrowhead
- Cc. flat rectangle that is open on the right side and closed on the left side
- Dd. rectangle, which may be shaded to make it look three-dimensional
41A data ______ is a central storehouse of information about a system's data.
- Aa. glossary
- Bb. knowledgebase
- Cc. content bank
- Dd. repository
42A black hole process is a process that has _____ .
- Aa. no input
- Bb. at least one output and one input, but the output obviously is insufficient to generate the input shown
- Cc. no output
- Dd. at least one input and one output, but the input obviously is insufficient to generate the output shown
43When a DFD is exploded, the high-level diagram is called the child diagram, and the lower-level diagram is referred to as the parent diagram.
- ATrue
- BFalse
44In a DFD, processes contain the business logic, also called business rules, that transform the data and produce the required results.
- ATrue
- BFalse
45A DFD shows the structure and detailed contents of a data flow.
- ATrue
- BFalse
46Data stores are shown in a context diagram because data stores are external to the system.
- ATrue
- BFalse
47A decision tree is read from left to right, with conditions along the various branches and the resulting actions at the far left.
- ATrue
- BFalse
48Using Gane and Sarson symbols, a DFD represents processes as rectangles with rounded corners.
- ATrue
- BFalse
49Systems analysts call an entity that receives data from the system a source.
- ATrue
- BFalse
50DFDs are balanced if each internal process is numbered to show that it is a child of the parent process.
- ATrue
- BFalse
51An _____ shows the objects and how they interact to perform business functions and transactions.
- Aa. object interaction diagram
- Bb. object precedent chart
- Cc. object antecedent chart
- Dd. object relationship diagram
52An object represents a real person, place, event, or transaction.
- ATrue
- BFalse
53_____ enable objects to communicate and interact as they perform business functions and transaction required by a system.
- Aa. Clusters
- Bb. Relationships
- Cc. Linkages
- Dd. Aggregates
54The same message to two different objects produces the same results.
- ATrue
- BFalse
55A control is a specific member of a class.
- ATrue
- BFalse
56The Unified Modeling Language (UML) represents an object as a _____ with the object name at the top, followed by the object's attributes and methods.
- Aa. circle
- Bb. pentagon
- Cc. rhombus
- Dd. rectangle
57An object's _____ are the tasks or functions that the object performs when it receives a command to do so.
- Aa. roles
- Bb. instances
- Cc. methods
- Dd. utilities
58The _____ of an object is an adjective that describes the object's current status.
- Aa. resemblance
- Bb. state
- Cc. polymorphism
- Dd. encapsulation
59Classes that send or receive messages are shown at the bottom of the sequence diagram.
- ATrue
- BFalse
60There are few CASE tools tailored to UML.
- ATrue
- BFalse
61Which is true of a web-based systems development environment?
- Aa. Web-based software treats the software application as a service that is less dependent on desktop computing power and resources.
- Bb. Internet-based development treats the web only as a communication channel.
- Cc. Web-based solutions do not open complex security issues that should be addressed.
- Dd. Scalability of web-based systems can be affected by network limitations and constraints.
62If a software package is purchased, consider a _____ , which offers additional support and assistance from the vendor.
- Aa. software license
- Bb. fixed fee model
- Cc. request for proposal
- Dd. supplemental maintenance agreement
63A request for quotation (RFQ) is less specific than a request for proposal (RFP).
- ATrue
- BFalse
64In a traditional systems development environment, security issues usually are less complex than with web-based systems, because the system operates on a private company network, rather than the Internet.
- ATrue
- BFalse
65In the context of in-house software development options, a firm that enhances a commercial package by adding custom features and configuring it for a particular industry is called a(n) _____ .
- Aa. business process outsourcing (BPO) firm
- Bb. online service provider (OSP)
- Cc. enterprise resource planner (ERP)
- Dd. value-added reseller (VAR)
66When software is purchased, a ____ is being bought that gives the purchaser the right to use the software under certain terms and conditions.
- Aa. request for proposal
- Bb. supplemental maintenance agreement
- Cc. fixed fee model
- Dd. software license
67An evaluation model is a technique that uses a common yardstick to measure and compare vendor ratings.
- ATrue
- BFalse
68Mission-critical IT systems should be outsources only if the result is a cost-attractive, reliable business solution that fits the company's long-term business strategy.
- ATrue
- BFalse
69Due to complexity, IT generally takes longer to move offshore than manufacturing.
- ATrue
- BFalse
70____ reduces the customer's need for software maintenance, operation, and support.
- Aa. Processing as a Product
- Bb. Storage as a Solution
- Cc. Hardware as a Help
- Dd. Software as a Service
71Interface designers can obtain data, called ______ metrics, by using software that can record and measure user interaction with a system.
- Aa. aesthetics
- Bb. relationship
- Cc. ergonomic
- Dd. usability
72Input _____ are templates that make it easier for users to enter data.
- Aa. patterns
- Bb. masks
- Cc. legends
- Dd. keys
73Some firms use _____ facsimile to allow a customer to request a fax using e-mail, the company Web site, or by telephone.
- Aa. automated
- Bb. batched
- Cc. turnaround
- Dd. digital
74On a source document, the _____ contains codes, identification information, numbers, and dates that are used for storing completed forms.
- Aa. control zone
- Bb. heading zone
- Cc. totals zone
- Dd. authorization zone
75In a source document, if totals are included on a form, they appear in the _____ zone.
- Aa. calculated
- Bb. control
- Cc. totals
- Dd. heading
76_____ describes the relationship between computers and the people who use them to perform business-related tasks.
- AHCI (Human-Computer Interaction)
- BPCI
- CUI (User Interface)
- DPI
77A(n) _____ produces one or more lines of output for each record processed.
- Aa. detail report
- Bb. exception report
- Cc. summary report
- Dd. all of the above
78On a source document, the main part of the form, called the _____ , usually takes up at least half of the space on the form and contains captions and areas for entering variable data.
- Aa. instruction zone
- Bb. authorization zone
- Cc. body zone
- Dd. heading zone
79Good user interface design is based partly on _____ , which describes how people work, learn, and interact with computers.
- Aa. aesthetics
- Bb. interface technology
- Cc. ergonomics
- Dd. output security
80A _____ report is a type of detail report in which a control break causes specific actions, such as printing subtotals for a group of records.
- Aa. control break
- Bb. stratified
- Cc. subgroup
- Dd. character
81Good interface design is based partly on _____ , which provides the operational structure required to carry out the design objectives.
- Aa. aesthetics
- Bb. interface technology
- Cc. ergonomics
- Dd. output security
82The concept that the quality of 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.
- Aa. bad input, bad output (BIBO)
- Bb. garbage in, garbage out (GIGO)
- Cc. poor start, poor finish (PSPF)
- Dd. weak hand, weak hold (WHWH)
83After a system is operational, it is important to monitor system usage or solicit user suggestions.
- ATrue
- BFalse
84Using batch input, data entry is performed contiuously.
- ATrue
- BFalse
85A major challenge of Web-based form design is that most people read and interact differently with on-screen information compared to paper forms.
- ATrue
- BFalse
86Generally, reports used by individuals at higher levels in an organization include more detail than reports used by lower-level employees.
- ATrue
- BFalse
87Either a page header or a page footer, which appears at the bottom of a page, is used to display the report title and the page number.
- ATrue
- BFalse
88User-selected help always offers assistance for the task in progress.
- ATrue
- BFalse
89A data type check is a data validation check that is used when the data must be in predetermined sequence.
- ATrue
- BFalse
90Every page in a report should include a page header, which appears at the top of the page and includes the column headings that identify the data.
- ATrue
- BFalse
91The _____ is a control feature at the top of a data entry screen that displays the main menu options.
- Aa. menu box
- Bb. menu bar
- Cc. radio bar
- Dd. control bar
92When designing data entry screen, provide an on-screen instruction to let users know the date format, and provide an example if the user must enter _____ .
- Aa. verifiers
- Bb. clones
- Cc. separators
- Dd. masks
93A _____ workstation is a network terminal that supports a full-featured user interface, but limits the printing or copying of data, except to certain network resources that can be monitored and controlled more easily.
- Aa. command-line
- Bb. prescribed
- Cc. satellite
- Dd. diskless
94An existence check is a data validation check that _____ .
- Aa. tests data items to verify that they fall between a specified minimum and maximum value
- Bb. identifies values that are questionable, but not necessarily wrong
- Cc. is performed on two or more fields to ensure that they are consistent or reasonable when considered together
- Dd. is used for mandatory data items
95In older systems, often the user interface mainly consisted of _____-control screens that allowed a user to send commands to the system.
- Aa. physical
- Bb. process
- Cc. input
- Dd. command
96In a well-designed detail report, a field called a(n) _____ field controls the output.
- Aa. break
- Bb. indexed
- Cc. dominant
- Dd. control
97Because every piece of information should be traceable back to the input data that produced it, a(n) _____ trail must be provided that records the source of each data item and when it entered the system.
- Aa. audit
- Bb. index
- Cc. source
- Dd. control
98_____ is often used by large firms to scan and store images of original documents to provide high-quality records management and archiving.
- Aa. POD
- Bb. COM
- Cc. FBC
- Dd. ASCII
99Printed output is used in _____ documents, which are output documents that are later entered back into the same or another information system.
- Aa. detail
- Bb. output
- Cc. turnaroud
- Dd. report
100In the future, IBM believes that the interface will not be based on the perspective of a computer engineer, programmer, or systems analyst rather than a user.
- ATrue
- BFalse
101When designing data entry screens, provide users with an opportunity to confirm the accuracy of input data before entering it.
- ATrue
- BFalse
102When a system produces multiple reports, each report should have completely different design elements.
- ATrue
- BFalse
103An interface designer does not need to understand the underlying business functions or how the system supports individual, departmental, or enterprise goals.
- ATrue
- BFalse
104Data capture is the process of manually entering data into an information system, usually in the form of keystrokes or mouse clicks.
- ATrue
- BFalse
105Batch controls are totals used to verify online data entry.
- ATrue
- BFalse
106A sequence check is a data validation check that tests to ensure a data item fits the require data type.
- ATrue
- BFalse
107Commercial software packages must undergo unit and integration testing similar to that of in-house developed systems, although system testing usually is not performed.
- ATrue
- BFalse
108To minimize the need to require information from two different systems, cyclical information systems usually are converted using the direct cutover method at the beginning of a quarter, calendar year, or fiscal year.
- ATrue
- BFalse
109Static development is the process of constructing the programs and code modules that serve as the building blocks of the information system.
- ATrue
- BFalse
110Effective online documentation is 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.
- ATrue
- BFalse
111Test data should contain only correct data.
- ATrue
- BFalse
112In sequence, the steps typically followed to create a structure chart are _____ .
- Aa. reviewing the data flow diagrams (DFDs); identifying modules and relationships; adding couples, loops, and conditions; and analyzing the structure chart
- Bb. adding couples, loops, and conditions; analyzing the structure chart and the data dictionary; reviewing the data flow diagrams (DFDs); and identifying modules and relationships.
- Cc. identifying modules and relationships; adding couples, loops, and conditions; analyzing the structure chart and the data dictionary; and reviewing the data flow diagrams (DFDs)
- Dd. analyzing the structure chart and the data dictionary; reviewing the data flow diagrams (DFDs); identifying modules and relationships; and adding couples, loops, and conditions.
113The main objective of _____ is to avoid problems or to identify them as soon as possible.
- Aa. application development
- Bb. quality assurance
- Cc. direct cutover
- Dd. cohesion
114A class diagram includes the class _____ , which describes the characteristics of objects in the class.
- Aa. events
- Bb. keys
- Cc. attributes
- Dd. methods
115In _____ , two programmers work on the same task on the same computer; one drives while the other navigates.
- Aa. multitasking
- Bb. pair programming
- Cc. driver programming
- Dd. dual tasking
116System developers use _____ to document and trail program defects, code changes, and replacement code.
- Aa. fault promotion analysis
- Bb. the defect distribution policy
- Cc. the obstruction generator
- Dd. bug tracking software
117According to IBM, the best user interfaces are the ones you don't really notice.
- ATrue
- BFalse
118An analyst typically begins analysis by identifying use cases. As the system model grows and new functions are identified, it becomes necessary to add _____ .
- Aa. another system
- Bb. another analyst
- Cc. to the project budget
- Dd. extends
119Which of these was stated as an expected ROI for technology investments?
- Aa. 2 : 1
- Bb. 1.5 : 1
- Cc. 7 : 1
- Dd. 4 :1
120The Zachman Framework states that the primitive interrogatives are: What, How, When, Who, Where, and Why.
- ATrue
- BFalse
121The Zachman Framework reification transformations are: identification, definition, representation, specification, configuration, and instantiation.
- ATrue
- BFalse
122Enterprise Resource Planning (ERP) is a process that establishes an enterprise-wide strategy for IT resources and defines a specific architecture, including standards for data, processing, network, and user interface design.
- ATrue
- BFalse
123As the SWOT process continues, management reviews specific resources, business operations, and valuable assets.
- ATrue
- BFalse
124Many feel that unless a firms starts with a realistic SWOT assessment, it might develop a mission statement that is unachievable.
- ATrue
- BFalse
125It is best to conduct an interview with an accounts receivable employee who has given you 20 minutes of time with open ended questions because this creates focus and gets straight to the point.
- ATrue
- BFalse
126Economic feasibility means that the projected benefits of the proposed system outweigh the estimated costs usually considered the total cost of ownership (TCO), which includes ongoing support and maintenance costs, as well as acquisition costs.
- ATrue
- BFalse
127To determine TCO, the analyst must estimate costs in each of the following areas: People, Hardware, Software, Formal & Informal training, Licenses & Fees, Consulting Expenses, Facility Costs, and the estimated cost of not developing the system or postponing the project.
- ATrue
- BFalse
128Data Stores are used for data that must be accessible as records at a later time for future transactions.
- ATrue
- BFalse
129When constructing a Data Flow Diagram (DFD), a data store can often be identified by thinking of time delays in the gathering of information.
- ATrue
- BFalse
130Sequence, selection, and iteration structures can NOT be combined in various ways to describe processing logic.
- ATrue
- BFalse
131Structured English resembles pseudocode - IF, AND, THEN, NOT, NEXT, WHILE, DO, FOR.
- ATrue
- BFalse
132In order to balance a DFD, the textbook suggests to ignore the internal data flows and count the data flows to and from external entities.
- ATrue
- BFalse
133Decision Tables are a logical structure that shows every combination of CONDITIONS and OUTCOMES.
- ATrue
- BFalse
134Outcomes in Decision Tables can be found using only Y or N answers to questions.
- ATrue
- BFalse
135In a Decision Table, the total combinations equals 3^Number of Conditions.
- ATrue
- BFalse
136Decision Trees provide different results as Decision Tables, but in different forms.
- ATrue
- BFalse
137In many situations, a table is the most effective means of communication.
- ATrue
- BFalse
138Decision Trees show logic structure in a horizontal form that resembles a tree with the roots at the right and the branches to the left.
- ATrue
- BFalse
139A [blank_start]sequence diagram[blank_end] is a dynamic model of a use case, showing the interaction among classes during a specified time period.
In a [blank_start]state transition diagram[blank_end], the [blank_start]states[blank_end] appear as rounded rectangles with [blank_start]state[blank_end] names inside. The small circle to the left is the initial [blank_start]state[blank_end] or the point where the object first interacts with the system. The circle at the right with a hollow border is the final [blank_start]state[blank_end].
[blank_start]Sequence diagrams[blank_end] include symbols that represent classes, lifelines, messages, and focuses.
A [blank_start]state transition diagram[blank_end] shows how an object changes from one [blank_start]state[blank_end] to another, depending on events that affect the object.
A [blank_start]sequence diagram[blank_end] graphically documents the use case by showing the classes, the messages, and the timing of messages.- Asequence diagram
- Bstate transition diagram
- Cactivity diagram
- DSequence diagrams
- Estate transition diagram
- Factivity diagram
- Gstate transition diagram
- Hsequence diagram
- Iactivity diagram
- Jsequence diagram
- Kstate transition diagram
- Lactivity diagram
- Mstate transition diagram
- Nsequence diagram
- Oactivity diagram
- Pstates
- Qsequence
- Ractivity
- Sstate
- Tsequence
- Uactivity
- Vstate
- Wactivity
- Xsequence
- Ystate
- Zsequence
- AAactivity
- ABstate
- ACactivity
- ADsequence
140A [blank_start]sequence check[blank_end] can be used to when the data must be in some predetermined sequence.
- Asequence check
- Bexistence check
- Cdata type check
- Drange check
- Ereasonableness check
- Fvalidity check
- Gcombination check
- Hbatch controls
141An [blank_start]existence check[blank_end] can apply to mandatory data items.
- Aexistence check
- Bsequence check
- Cdata type check
- Drange check
- Ereasonableness check
- Fvalidity check
- Gcombination check
- Hbatch controls
142A [blank_start]data type check[blank_end] can test to ensure that a data item fits the required data type.
- Adata type check
- Bsequence check
- Cexistence check
- Drange check
- Ereasonableness check
- Fvalidity check
- Gcombination check
- Hbatch controls
143A [blank_start]range check[blank_end] can be used to verify that data items fall between a specified minimum and maximum value.
- Arange check
- Bsequence check
- Cexistence check
- Ddata type check
- Ereasonableness check
- Fvalidity check
- Gcombination check
- Hbatch controls
144A [blank_start]reasonableness check[blank_end] identifies values that are questionable but not necessarily wrong.
- Areasonableness check
- Bsequence check
- Cexistence check
- Ddata type check
- Erange check
- Fvalidity check
- Gcombination check
- Hbatch controls
145A [blank_start]validity check[blank_end] can be used for data items that must have certain values.
- Avalidity check
- Bsequence check
- Cexistence check
- Ddata type check
- Erange check
- Freasonableness check
- Gcombination check
- Hbatch controls
146A [blank_start]combination check[blank_end] is performed on two or more fields to ensure that they are consistent or reasonable when considered together.
- Acombination check
- Bsequence check
- Cexistence check
- Ddata type check
- Erange check
- Freasonableness check
- Gvalidity check
- Hbatch controls
147[blank_start]batch controls[blank_end] are totals used to verify batch input and might check data items such as record counts and numeric field totals.
- Abatch controls
- Bsequence check
- Cexistence check
- Ddata type check
- Erange check
- Freasonableness check
- Gvalidity check
- Hcombination check
148When companies acquire web-based software as a service rather than a product they purchase, they can limit in-house involvement and have the vendor install, configure, and maintain the system by paying agree-upon fees.
- ATrue
- BFalse
149Firms that offer Software as a Service, rather than a product, have developed fee structures that are based on how the application is used by customers during a specific time period.
- ATrue
- BFalse
150Software as a Service (SaaS) increases the customer's need for software maintenance, operation, and support. In effect, SaaS provides the functionality the customer needs, but without the associated development, infrastructure, and maintenance costs.
- ATrue
- BFalse
151[blank_start]Corrective[blank_end] maintenance is performed to fix errors, [blank_start]adaptive[blank_end] maintenance adds new capability and enhancements, [blank_start]perfective[blank_end] maintenance improves efficiency, and [blank_start]preventive[blank_end] maintenance reduces the possibility of future system failure.
- ACorrective
- BAdaptive
- CPerfective
- DPreventive
- EAdaptive
- FCorrective
- GPerfective
- HPreventive
- IPerfective
- JCorrective
- KAdaptive
- LPreventive
- MPreventive
- NPerfective
- OCorrective
- PAdaptive
152Direct Cutover causes the changeover from the old system to the new system to occur immediately when the new system becomes operational and usually is the most expensive changeover method because the IT group has to operate and maintain only one system at a time.
- ATrue
- BFalse
1531. [blank_start]Direct Cutover[blank_end]
2. [blank_start]Parallel Operation[blank_end]
3. [blank_start]Pilot Operation[blank_end]
4. [blank_start]Phased Operation[blank_end]
- ADirect Cutover
- BParallel Operation
- CPilot Operation
- DPhased Operation
154X = [blank_start]6[blank_end]
Y = [blank_start]8[blank_end]
Z = [blank_start]50[blank_end]
W = [blank_start]100[blank_end]
- A6
- B8
- C50
- D100
155Moving IT work overseas raises even more issues, including potential concerns about control, culture, communication, and security.
- ATrue
- BFalse
Information
- Description
- Systems Analysis Ch 1, 2, 4, 5, 6, 7, 8, 11
- Author
- Jamey Cendana
- Language
- English
- Views
- 24
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