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Terms in this set (13)
which of the following statements is accurate about an RDBMS?
it attempts to balance efficiency of storage needs, ease of retrieval, and other factors by storing data in tables linked via relationships
which of the following is true of digital dashboards
they display the key performance indicators and other summary info used by managers and executives to make decisions
which of the following best describes a decision support system
it is a special-purpose info system designed to support organizational decision making related to a particular recurring problem
fuzzy logic
allows expert system rules to be represented using approximations or subjective values in order to handle situations where info about a problem is incomplete
which of the following statements is true of relational database management systems(RDBMSes)?
RDBMSes are not easily scalable in response to peaks in demand
which of the following best describes fuzzy logic?
it allows expert system rules to be represented using approximations or subjective values in order to handle situations where information about a problem is incomplete
which of the following best decries business intelligence?
the use of info systems to gather and analyze data ad info from internal and external sources intruder to make better business decisions
clustering
the process of grouping related records together not he basis of having similar values for attributes , thus finding structure in the data
decision support system
which of the following business intelligence systems would best provide the required info?
dara warehouse
a central data repository containing info drawn from multiple sources that can be used for analysis, intelligence gathering, and strategic planning
business intelligence
the enormous amount of data generated by organizations serves as the source for
which of the following is the primary purpose of using a database
to keep track of data
operational system
sales order processing and reservation systems are examples of what type of a system?
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Verified questions
ADVANCED MATH
How many incongruent primitive roots does 13 have? Find a set of this many incongruent primitive roots modulo 13.
Verified answer
ADVANCED MATH
The flight path of a firework is modelled by the relation $h = - 5 ( t - 5 ) ^ { 2 } + 127$ where h is the height, in metres, of the firework above the ground and t is the time, in seconds, since the firework was fired. a) What is the maximum height reached by the firework? How many seconds after it was fired does the firework reach this height? b) How high was the firework above the ground when it was fired?
Verified answer
ADVANCED MATH
The following arguments are inductive. Determine whether each is strong or weak, and note the relationship between your answer and the truth or falsity of the premise(s) and conclusion. Then determine whether each argument is cogent or uncogent. Franklin Delano Roosevelt said that we have nothing to fear but fear itself. Therefore, people have no reason to fear serial killers.
Verified answer
ADVANCED MATH
This problem concerns lists made from the letters A, B, C, D, E, F, G, H, I, J. (a) How many length-5 lists can be made from these letters if repetition is not allowed and the list must begin with a vowel? (b) How many length-5 lists can be made from these letters if repetition is not allowed and the list must begin and end with a vowel? (c) How many length-5 lists can be made from these letters if repetition is not allowed and the list must contain exactly one A?
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