INF 1505: CHAPTER 12 QUESTIONS AND ANSWERS LATEST UPDATE A+ GRADED
Systems design
A stage of systems development where a solution to the problem is planned out and documented.
Is the answer to the question 'How will the information system solve the problem?'
Logical Design
A description ...
Systems design
A stage of systems development where a solution to the problem is planned out and
documented.
Is the answer to the question 'How will the information system solve the problem?'
Logical Design
A description of the functional requirements of a system. What the system will do.
Physical Design
The specification of the characteristics of the system components necessary to put the
logical design into action.
Data Flow Diagram (DFD)
a graphical description of the flow of data within an organization, including data
sources/destinations, data flows, transformation processes, and data storage
Sequence Diagram
A type of diagram that shows objects participating in interactions and the messages
exchanged between them.
menu-driven system
A system in which users simply pick what they want to do from a list of alternatives.
Command Line Interface (CLI)
An interface that enables the user to interact with the operating system by entering
commands and optional arguments.
Elements of good interactive dialogue
Clarity, Response time, Consistency, Format, Jargon, Respect
Disaster planning
process of anticipating and providing for disasters
Disaster recovery
The implementation of the disaster plan.
Hot site
A duplicate, operational hardware system or immediate access to one through a
specialized vendor.
Cold site
A computer environment that includes rooms, electrical service, telecommunications
links, data storage devices, and the like. Also called a 'shell'
incremental backup
involves copying only the data items that have changed since the last partial backup
Systems controls
rules and procedures to maintain data security.
Can help prevent computer misuse, crime and fraud.
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