In an object-oriented system, objects can ____ certain attributes from other obj
ID: 3539457 • Letter: I
Question
In an object-oriented system, objects can ____ certain attributes from other objects.
A) relate
B) concatenate
C) inherit
D) reformat
2.
As shown in the accompanying figure, objects within a class can be grouped into ____, which are more specific categories within a class.
A) schedules
B) units
C) subclasses
D) clusters
3.
Some industry leaders predict that ____ computing will offer an overall online software and data environment supported by supercomputer technology.
A) interpolated
B) mainframe
C) outsourced
D) cloud
4.
____ is often used by large firms to scan and store images of original documents to provide high-quality records management and archiving.
A) POD
B) COM
C) FBC
D) ASCII
5.
For upper-level managers who often want to see total figures and do not need supporting details, a(n) ____ is appropriate.
A) detail report
B) exception report
C) summary report
D) all of the above
6.
An existence check is a data validation check that ____.
A) tests data items to verify that they fall between a specified minimum and maximum value
B) identifies values that are questionable, but not necessarily wrong
C) is performed on two or more fields to ensure that they are consistent or reasonable when considered together
D) is used for mandatory data items
7.
A reasonableness check is a data validation check that ____.
A) tests data items to verify that they fall between a specified minimum and maximum value
B) identifies values that are questionable, but not necessarily wrong
C) is performed on two or more fields to ensure that they are consistent or reasonable when considered together
D) is used for mandatory data items
8.
In the accompanying figure, a ____ is a field or combination of fields that uniquely and minimally identifies a particular member of an entity.
A) primary key
B) common key
C) secondary key
D) combination key
9.
In an entity-relationship diagram, entities are represented as ____.
A) triangles
B) circles
C) rectangles
D) hexagons
10.
____ is the measure of a system%u2019s ability to expand, change, or downsize easily to meet the changing needs of a business enterprise.
A) Transparency
B) Scalability
C) Redundancy
D) Interoperability
11.
When developing e-business systems, an in-house solution usually requires a ____ for a company that must adapt quickly in a dynamic e-commerce environment.
A) smaller initial investment and provides more flexibility
B) smaller initial investment but provides less flexibility
C) greater initial investment but provides more flexibility
D) greater initial investment and provides less flexibility
12.
The ____ topology allows the expansion of wireless access over a wide area.
A) BSS
B) ESS
C) ISS
D) DSS
13.
In sequence, the four steps typically followed to create a structure chart are ____.
A) review the DFDs; identify modules and relationships; add couples, loops, and conditions; analyze the structure chart and the data dictionary
B) identify modules and relationships; add couples, loops, and conditions; analyze the structure chart and the data dictionary; review the DFDs
C) add couples, loops, and conditions; analyze the structure chart and the data dictionary; review the DFDs; identify modules and relationships
D) analyze the structure chart and the data dictionary; review the DFDs; identify modules and relationships; add couples, loops, and conditions
14.
The testing of an individual module is called ____ testing.
A) modular
B) index
C) stub
D) unit
15.
As the accompanying figure illustrates, the ____ changeover method allows the new system to be implemented in stages, or modules.
A) phased operation
B) parallel operation
C) pilot operation
D) direct cutover
16.
Customer objects can perform specific tasks, such as placing an order or paying a bill.
A) True
B) False
17.
Some objects might have a few attributes; others might have dozens.
A) True
B) False
18.
A gas pump is an example of a black box.
A) True
B) False
19.
In a sequence diagram, a message is identified by a narrow vertical shape that covers the lifeline.
A) True
B) False
20.
Sequence diagrams, state transition diagrams, and activity diagrams are dynamic modeling tools that can help a systems analyst understand how objects behave and interact with the system.
A) True
B) False
21.
A subscription model charges a variable fee based on the volume of transactions or operations performed by the application.
A) True
B) False
22.
Either a page header or a page footer, which appears at the bottom of a page, is used to display the name of the report and a page number.
A) True
B) False
23.
Every 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.
A) True
B) False
24.
In a client/server system, processing is isolated in one part of the organization.
A) True
B) False
25.
Field X is functionally dependent on field Y if the value of field X depends on the value of field Y.
A) True
B) False
26.
Normal forms beyond 3NF exist, but they rarely are used in business-oriented systems.
A) True
B) False
27.
ERP (enterprise resource planning) defines a general architecture, omitting standards for data, processing, network, and user interface design.
A) True
B) False
28.
In a batch processing system, transactions are handled when and where they occur and output is provided directly to users.
A) True
B) False
29.
TCP/IP consists of many individual protocols that control the handling of files, mail, and addresses, among others.
A) True
B) False
30.
Various types of individual and site licenses are available from software vendors.
A) True
B) False
Explanation / Answer
In an object-oriented system, objects can ____ certain attributes from other objects.
C) inherit
======================================
2.
As shown in the accompanying figure, objects within a class can be grouped into ____, which are more specific categories within a class.
C) subclasses
====================================================================================================================================.
Some industry leaders predict that ____ computing will offer an overall online software and data environment supported by supercomputer technology.
D) cloud
=================================================================
____ is often used by large firms to scan and store images of original documents to provide high-quality records management and archiving.
B) COM
===============================================================================================================================
For upper-level managers who often want to see total figures and do not need supporting details, a(n) ____ is appropriate.
C) summary report
==============================================================
An existence check is a data validation check that ____.
A) tests data items to verify that they fall between a specified minimum and maximum value
=============================================================
A reasonableness check is a data validation check that ____.
B) identifies values that are questionable, but not necessarily wrong
====================================================================================================================================.
In the accompanying figure, a ____ is a field or combination of fields that uniquely and minimally identifies a particular member of an entity.
A) primary key
==============================================================
In an entity-relationship diagram, entities are represented as ____.
C) rectangles
===================================================================================================================================.
____ is the measure of a system%u2019s ability to expand, change, or downsize easily to meet the changing needs of a business enterprise.
B) Scalability
===============================================================
When developing e-business systems, an in-house solution usually requires a ____ for a company that must adapt quickly in a dynamic e-commerce environment.
B) smaller initial investment but provides less flexibility
===============================================================
The ____ topology allows the expansion of wireless access over a wide area.
D) DSS
====================================================================================================================================
In sequence, the four steps typically followed to create a structure chart are ____.
A) review the DFDs; identify modules and relationships; add couples, loops, and conditions; analyze the structure chart and the data dictionary
The testing of an individual module is called ____ testing.
D) unit
====================================================================================================================================
As the accompanying figure illustrates, the ____ changeover method allows the new system to be implemented in stages, or modules.
D) direct cutover
====================================================================================================================================
Customer objects can perform specific tasks, such as placing an order or paying a bill.
A) True
==============================================================
Some objects might have a few attributes; others might have dozens.
A) True
====================================================================================================================================
A gas pump is an example of a black box.
A) True
B) False
==============================================================
In a sequence diagram, a message is identified by a narrow vertical shape that covers the lifeline.
A) True
B) False
====================================================================================================================================
Sequence diagrams, state transition diagrams, and activity diagrams are dynamic modeling tools that can help a systems analyst understand how objects behave and interact with the system.
A) True
======================================
A subscription model charges a variable fee based on the volume of transactions or operations performed by the application.
A) True
=================================================.
Either a page header or a page footer, which appears at the bottom of a page, is used to display the name of the report and a page number.
A) True
Every 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.
A) True
B) False
====================================================================================================================================
In a client/server system, processing is isolated in one part of the organization.
A) True
====================================================================================================================================
Field X is functionally dependent on field Y if the value of field X depends on the value of field Y.
A) True
Normal forms beyond 3NF exist, but they rarely are used in business-oriented systems.
A) True
ERP (enterprise resource planning) defines a general architecture, omitting standards for data, processing, network, and user interface design.
A) True
====================================================================================================================================
In a batch processing system, transactions are handled when and where they occur and output is provided directly to users.
B) False
========
TCP/IP consists of many individual protocols that control the handling of files, mail, and addresses, among others.
A) True
=
Various types of individual and site licenses are available from software vendors.
A) True
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