WGU C182 Exam Questions With Verified
Answers
What is technology used in creating, maintaining, and making information accessible? -
answerInformation Technology
What are the 4 steps in information processing? - answerInput, processing, output, storage
What is the collection of data and inform...
What is technology used in creating, maintaining, and making information accessible? -
answer✔Information Technology
What are the 4 steps in information processing? - answer✔Input, processing, output, storage
What is the collection of data and information used to support management of an organization
called? - answer✔Information System
What 5 attributes describe quality data? - answer✔relevant, timely, thorough, accurate, and
reliable
What are the 4 layers of the DIKW Hierarchy? - answer✔Data, Information, Wisdom,
Knowledge
What is the definition of data in the DIKW hierarchy? - answer✔Input directly received by a
human or computer
What is the definition of information in the DIKW hierarchy? - answer✔One or more processes
have been applied to data to transform if into a more useful form.
What is the definition of knowledge in the DIKW hierarchy? - answer✔Information that has
been put to use or a synthesis of multiple sources of information
What is the definition of wisdom in the DIKW hierarchy? - answer✔An understanding of "why".
This come with both knowledge and experience
Which component of a computer executes program instruction and command other various
components? - answer✔CPU
What stores the program being executed and the data that each program is using? -
answer✔Memory
What is a device that permits information to move between each component? - answer✔Bus
What about a bus determines how much data can be transmitted at one time? - answer✔The size
or width
What does OLAP stand for? - answer✔Online Analytical Processing
What does OLTP stand for? - answer✔Online Transaction Processing
What does OLDP stand for? - answer✔Online Data Processing
What is slicing? - answer✔Creating a subset of data by reducing the data from multiple
dimension to one dimension
What is dicing? - answer✔Creating a subset of data, even though it is still from multiple
dimensions
What is drilling down? - answer✔Shifting the view of data to include more detail
What is drilling up? - answer✔Shifting the view of data to less detail
What is a pivot table? - answer✔Rotates the view of data to a different perspective
What does SQL stand for? - answer✔Structured Query Language
What does the SELECT statement do in a SQL query? - answer✔Informs the database what field
or attributes are of interest
What does the FROM statement do in a SQL query? - answer✔Informs the database what tables
are to be interrogated and how will they be combined if more than 1 table contains data of
interest
What does the WHERE statement do in a SQL query? - answer✔Informs the database of specific
criteria the data should match and returned
What are 6 operators used in SQL commands? - answer✔= equal to
<> not equal to
> greater than
< less than
>= greater or equal to
<= less or equal to
What is the first step in the SDLC? - answer✔Preliminary Investigation
What does SDLC stand for? - answer✔System Development Life Cycle
What is the second step in the SDLC? - answer✔Analysis
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