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Final Exam
Chapter 10 section C and D
34
Computer Science
04/26/2011

Additional Computer Science Flashcards

 


 

Cards

Term
parallel conversion
Definition

___ ___ avoids some of the risk of direct conversion because the old system remains in service while some or all of the new system is activated

Term
systems programmer
Definition

A ___ ___ is the operating system "guru," whose responsibilities include installing new versions of the operating system and modifying operating system settings to maximize performance

Term
implementation phase
Definition

In the ___ ___ of the SDLC, the project team supervises the tasks necessary to construct the new information system

Term
quality-of-service metric
Definition

A ___ ___ is a technique for measuring a specific QoS characteristic

Term
turnkey system
Definition

A ___ ___ is essentially an "information system in a box," which consists of hardware and commercial software designed to offer a complete information system solution

Term
downtime
Definition

QoS Metric ___ is the amount of time a system is not available for processing

Term
capacity
Definition

QoS Metric ___ is the available storage space, number of users, number of connections, or number of packets

Term
maintenance phase
Definition

The ___ ___ of the SDLC involves day-to-day operation of the system, making modifications to improve performance, and correcting problems

Term
user documentation
Definition

___ ___ describes how to interact with the system to accomplish specific tasks

Term
distributed processing
Definition

An alternative design option is ___ ___, in which processing tasks are distributed to servers and workstations

Term
throughput
Definition

QoS Metric ___ is the amount of data processed in a particular time interval

Term
user levels
Definition

QoS Metric ___ ___ is the number of users at peak, average, and low times

Term
accuracy
Definition

QoS Metric ___ is the number of errors occurring in a particular time interval for a particular function

Term
application testing
Definition

___ ___ is the process of trying out various sequences of input values and checking the results to verify that the application works correctly

Term
request for proposal
Definition

A ___ ___ ___ (RFP) is a document that describes the information system problem and the requirements for the solution

Term
unit testing
Definition

As each application module is completed, it undergoes ___ ___ to ensure that it operates reliably and correctly

Term
system testing
Definition

After unit and integration testing are completed, ___ ___ ensures that all hardware and software components work together correctly

Term
system documentation
Definition

___ ___ describes a system's features, hardware architecture, and programming

Term
request for quotation
Definition

A ___ ___ ___ (RFQ) is a request for a formal price quotation on a list of hardware and software

Term
software customization
Definition

___ ___ is the process of modifying a commerical application to reflect an organization's needs

Term
centralized processing
Definition

An information system can be designed for ___ ___, in which data is processed on a centrally located computer

Term
integration testing
Definition

When all modules have been completed and tested, ___ ___ is performed to ensure that the modules operate together correctly

Term
pilot conversion
Definition

___ ___ works well in organizations with several branches that have independent information processing systems because the new information system is activated at one branch at a time

Term
response time
Definition

QoS Metric ___ ___ is the time period between when a user initiates a request for information and when the request is fulfilled

Term
application development tool
Definition

An ___ ___ ___ is essentially a type of software construction kit containing building blocks that can be assembled into a software product

Term
quality of service
Definition

The term ___ ___ ___ (QoS) refers to the level of performance a computer system provides

Term
procedure handbook
Definition

A ___ ___ is a type of user docuentation that contains step-by-step instructions for performing specific tasks

Term
application specifications
Definition

If a project team selects a solution that requires custom programming, the team's systems analysts will create a set of ___ ___ that describe the way the information system's software should interact with users, store data, process data, and format reports

Term
design phase
Definition

In the ___ ___ of the SDLC, the project team must figure out how the new system will fulfill the requirements specified in the system requirements report

Term
help desk
Definition

The ___ ___ is staffed by technical support specialists who are familiar with the information system's software

Term
acceptance testing
Definition

___ ___ is designed to verify that the new information system works as required

Term
phased conversion
Definition

___ ___ works well with large, modularized information systems because the new system is activated one module at a time

Term
system converstion
Definition

___ ___ refers to the process of deactivating an old information system and activating a new one

Term
direct converstion
Definition

___ ___ means that the onld system is completely deactivated and the new system is immediately activated