Systems Chapter 11

As the accompanying figure illustrates, the ____ changeover method requires that both the old and the new information systems operate fully for a specific period. A) phased operation B) parallel operation C) pilot operation D) direct cutover

B

In a structure chart, a control couple shows a message, also called a status ____, which one module sends to another. A) pilot B) flag C) loop D) unit

B

In a structure chart, a(n) ____ line, which has a diamond on one end, indicates that a control module determines which subordinate modules will be invoked. A) method B) condition C) class D) attribute

B

In a technique called ____ testing, the programmer simulates each program outcome or result and displays a message to indicate whether or not the program executed successfully. A) modular B) stub C) outcome D) unit

B

In addition to analyzing logic and program code, a project team usually holds a session with users, called a ____ walkthrough, to review the interface with a cross-section of people who will work with the new system and ensure that all the necessary features have been included. A) unit B) design C) testing D) user

B

Software ____ is a software development process that stresses solid design, effective structure, accurate documentation, and careful testing. A) analysis B) engineering C) agility D) synthesis

B

To achieve better, faster, and less expensive methods of software development, ____ designed the Capability Maturity Model (CMM), which improves quality, reduces development time, and cuts costs. A) ISO (International Organization for Standardization) B) SEI (Software Engineering Institute) C) ODBC (Open Database Connectivity) D) CAIT (Center for the Application of Information Technologies)

B

Unless a problem must be corrected, or modifications or enhancements must be made, access to the operational environment is limited to ____ and must be strictly controlled. A) systems analysts B) users C) programmers D) managers

B

Using a ____ strategy, knowledgeable users can be selected who then conduct sessions for others. A) structured walkthrough B) train-the-trainer C) desk checking D) top-down design

B

A class diagram includes the class ____, which represent the program logic. A) attributes B) events C) methods D) characters

C

A module that performs a single function or task has a high degree of ____, which is desirable. A) piloting B) indexing C) cohesion D) resolution

C

Application ____ is the process of constructing the programs and code modules that serves as the building blocks of an information system. A) structuring B) analysis C) development D) connectivity

C

As the accompanying figure illustrates, the ____ changeover method involves implementing the complete new system at a selected location of the company. A) phased operation B) parallel operation C) pilot operation D) direct cutover

C

In a structure chart, a curved arrow represents a ____, which indicates that one or more modules are repeated. A) pilot B) flag C) loop D) unit

C

Integration testing is sometimes known as ____ testing. A) unit B) modular C) link D) outcome

C

Many organizations require a more formal type of desk checking called a structured walkthrough, or ____ review. A) design B) integrated C) code D) interpolated

C

A Web site for the ____ describes a variety of IT education and training resources. A) International Organization for Standardization (ISO) B) Software Engineering Institute (SEI) C) Open Database Connectivity (ODBC) D) Center for the Application of Information Technologies (CAIT)

D

A ____ consists of related program code organized into small units that are easy to understand and maintain. A) mode B) stub C) decision tree D) module

D

A class diagram includes the class ____, which describe the characteristics of objects in the class. A) methods B) keys C) events D) attributes

D

As the accompanying figure illustrates, the ____ approach causes the changeover from the old system to the new system to occur immediately when the new system becomes operational. A) phased operation B) parallel operation C) pilot operation D) direct cutover

D

At the end of the systems implementation phase, the final report to management should include ____. A) final versions of all system documentation B) a comparison of actual costs and schedules to the original estimates C) planned modifications and enhancements to the system that have been identified D) all of the above

D

Successful completion of system testing is the key to user and management approval, which is why system tests sometimes are called ____. A) implementation tests B) modular tests C) structure tests D) acceptance tests

D

The testing of an individual module is called ____ testing. A) modular B) index C) stub D) unit

D

User documentation ____. A) describes the inputs, outputs, and processing logic for all program modules B) describes a system's functions and how they are implemented C) contains all the information needed for processing and distributing printed output D) consists of instructions and information to users who will interact with the system

D

Which of the following is not specified by the detailed procedures in a test plan? A) How and when testing will be performed B) What test data will be used C) Who will participate D) What the rate of the forward engineering will be

D

____ describes the degree of interdependence among modules. A) Resolution B) Modularity C) Dynamism D) Coupling

D

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

A

During ____ testing, programmers must test programs that interact with other programs and files individually, before they are integrated into the system. A) unit B) integrated C) link D) outcome

A

In ____ programming, two programmers work on the same task on the same computer. A) parallel B) duo C) double D) driver

A

In a(n) ____ approach, the systems analyst documents the system's requirements and then breaks them down into subsystems and modules. A) top-down B) piloted C) indexed D) integrated

A

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

A

Program documentation ____. A) describes the inputs, outputs, and processing logic for all program modules B) describes a system's functions and how they are implemented C) contains all the information needed for processing and distributing printed output D) consists of instructions and information to users who will interact with the system

A

The objective of ____ testing is to identify and eliminate execution errors that could cause a program to terminate abnormally, and logic errors that could have been missed during desk checking. A) unit B) integration C) user D) system

A

____ cutover involves more risk than other changeover methods. A) Direct B) Pilot C) Parallel D) Phased

A

____ is the process of reviewing the program code to spot logic errors, which produce incorrect results. A) Desk checking B) Code review C) Results walkthrough D) Logic review

A

____ requires that a software supplier document all testing and maintain records of test results. A) ISO (International Organization for Standardization) B) SEI (Software Engineering Institute) C) ODBC (Open Database Connectivity) D) CAIT (Center for the Application of Information Technologies)

A

Operations documentation ____. A) describes the inputs, outputs, and processing logic for all program modules B) describes a system's functions and how they are implemented C) contains all the information needed for processing and distributing online and printed output D) consists of instructions and information to users who will interact with the system

C

When evaluating a system, which of the following is not necessary for a systems analyst to do? A) Observe users and computer operations personnel working with the new system B) Examine all source documents, output reports, and screen displays C) Use interviews to gather information and opinions from a large number of users D) Read all documentation and training materials

C

____ graphically represent the logical rules and interaction between program modules using a series of symbols connected by arrows. A) Training plans B) Acceptance tests C) Flowcharts D) Simulations

C

____ measures a module's scope and processing characteristics. A) Coupling B) Indexing C) Cohesion D) Piloting

C