Exam (elaborations)
IFT Part 4. Chapter 13- Systems development; design, implementation, maintenance, and review
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IFT Part 4. Chapter 13- Systems development; design, implementation, maintenance, and review...
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IFT Part 4. Chapter 13- Systemsdevelopment; design, implementation,
maintenance, and review
systems design - ANSWER The stage of systems development that
answers the question "How will the information system solve a
problem?"
logical design - ANSWER A description of the functional requirements of
a system.
physical design - ANSWER The specification of the characteristics of the
system components necessary to put the logical design into action.
sign-on procedure - ANSWER Identification numbers, passwords, and
other safeguards needed for someone to gain access to computer
resources.
menu-driven system - ANSWER A system in which users simply pick
what they want to do from a list of alternatives.
help facility - ANSWER A program that assists when users want to know
more about a program or feature or what type of response is expected.
lookup tables - ANSWER Tables containing data that computer
programs can develop and use to simplify and shorten data entry.
restart procedures - ANSWER Simplified processes to access an
application from where it stopped.
disaster recovery - ANSWER The implementation of the disaster plan.
hot site - ANSWER A duplicate, operational hardware system or
immediate access to one through a specialized vendor.
, cold site - ANSWER A computer environment that includes rooms,
electrical service, telecommunications links, data storage devices, and
the like; also called a shell.
incremental backup - ANSWER Making a backup copy of all files
changed during the last few days or the last week.
image log - ANSWER A separate file that contains only changes to
applications.
systems controls - ANSWER Rules and procedures to maintain data
security.
closed shops - ANSWER IS departments in which only authorized
operators can run the computers.
open shops - ANSWER IS departments in which people, such as
programmers and systems analysts, are allowed to run the computers,
in addition to authorized operators.
deterrence controls - ANSWER Rules and procedures to prevent
problems before they occur.
environmental design - ANSWER Also called green design, it involves
systems development efforts that slash power consumption, require less
physical space, and result in systems that can be disposed in a way that
doesn't negatively affect the environment.
request for proposal (RFP) - ANSWER A document that specifies in
detail required resources such as hardware and software.
preliminary evaluation - ANSWER An initial assessment whose purpose
is to dismiss the unwanted proposals; begins after all proposals have
been submitted.
final evaluation - ANSWER A detailed investigation of the proposals
offered by the vendors remaining after the preliminary evaluation.
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