Exam 12: Information System Development

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By ____, system developers learn about the history of a project.

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A top level DFD (data flow diagram) identifies ____.

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A(n) ____ test measures the performance of hardware or software.

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The purpose of the ____ study is to determine the exact nature of a problem or improvement and decide whether it is worth pursuing.

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A(n) ____________________ contains all documentation for a single project.

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Identify the letter of the choice that best matches the phrase or definition.
Instead of using vendors, some companies hire this.
object modeling
Type of market software that meets the needs of many different types of companies.
preliminary investigation
Type of software that usually is more expensive and takes more time to design and implement than packaged software.
custom
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Instead of using vendors, some companies hire this.
object modeling
Type of market software that meets the needs of many different types of companies.
preliminary investigation
Type of software that usually is more expensive and takes more time to design and implement than packaged software.
custom
Errors in a system are typically caused by problems with this.
use case
The most effective of these are integrated.
project dictionary
Its purpose is to identify errors in the item being inspected.
CASE tools
Can use the same tools as those used in process modeling.
vertical
A drawback is that it has inadequate, or no, documentation.
systems analyst
Its goal is to deliver an acceptable system to the user in an agreed-upon time frame, while maintaining costs.
IT consultant
Type of market software tends to be rarely available because only a small number of companies use them.
prototype
In a use case diagram, the function that the actor can perform.
logic
Type of conversion that is sometimes is called abrupt cutover.
project management
May skip acquiring hardware and software if the approved solution does not require new hardware or software.
training
Contains an entry for each data item associated with the entities.
operation, support, and security
The disadvantage of the kind of conversion strategy is that it is expensive to operate two systems at the same time.
parallel
A graphical tool that enables analysts to document a system.
horizontal
In some cases, the project team may recommend not to continue a project after this.
classes
On a class diagram, what objects are grouped into.
UML
Allows users to practice on the actual system.
inspection
One of the first activities a company performs in this phase is to meet with users.
direct
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To obtain information from a large number of people, system developers use interviews.

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An integration test ____.

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A(n) ____________________ is a professional who is hired based on expertise in a specialized area of computers, including service and advice.

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List and explain the techniques used to gather data and information.

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System development should follow all of these general guidelines except ____.

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____ maintenance is the process of including new features or capabilities in an information system.

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A systems analyst often performs the two activities in the design phase at the same time instead of sequentially.

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A(n) ____ is a company that purchases products from manufacturers and then resells these products to the public - offering additional services with the product.

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Higher-level DFDs add detail and definition to the lower levels, similarly to zooming in on a computer screen.

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____ measures whether the lifetime benefits of a proposed system will be greater than its lifetime costs.

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____ software is mass-produced, copyrighted, prewritten software available for purchase.

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With a ____, each location converts to a new system at a separate time.

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Application software developed by the user or at the user's request is called ____________________.

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The last step in acquiring the necessary hardware and software is to identify all the hardware and software requirements of the new or modified system.

(True/False)
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