E. octal and hexidecimal - ️️Which of the following pairs of numbering systems use
the least number of digits in machine code?
A. binary and hexidecimal
B. decimal and binary
C. octal and binary
D. decimal and hexidecimal
E. octal and hexidecimal
Data being used must apply directly to th...
WGU C182 EXAM (2025)
E. octal and hexidecimal - ✔️✔️Which of the following pairs of numbering systems use
the least number of digits in machine code?
A. binary and hexidecimal
B. decimal and binary
C. octal and binary
D. decimal and hexidecimal
E. octal and hexidecimal
Data being used must apply directly to the decision being made (e.g. if information is
needed about a customer's purchase history, in order to better serve the customer's
needs, it is relevant to collect data on prior business transactions with the specific
customer). - ✔️✔️Relevant (Characteristics of quality data)
Data, information, knowledge, wisdom. - ✔️✔️What are the parts of the DIKW?
Input directly received by human or computer (e.g. taste or smell for human and input
for a computer). - ✔️✔️Data (DIKW)
Data transformed in to something useful (e.g. list of numbers processed through
statistical analysis). - ✔️✔️Information (DIKW)
Result of experience gained from using information (e.g. selecting proper algebraic laws
to solve a problem). - ✔️✔️Knowledge (DIKW)
An understanding of why something is or was. Can only come by having knowledge and
experience. - ✔️✔️Wisdom (DIKW)
Collection of data and information used to support management of an organization. -
✔️✔️Information System
Relevant, timely, thorough, accurate, and reliable. - ✔️✔️Characteristics of quality data
Data must be efficient and must be provided in a timely manner so that companies can
utilize it in their business (e.g. If a company set their budget for the new fiscal year, they
would need access to financial data from most recent years). - ✔️✔️Timely
(Characteristics of quality data)
Data must not have any error or lapses (e.g. Client gives apt number in address so
shipping company knows exactly where to go) - ✔️✔️Thorough (Characteristics of
quality data)
, Data must be captured as close to the point of activity as possible (e.g. Making sure
customer addresses are correct before sending out coupons) - ✔️✔️Accurate
(Characteristics of quality data)
Data should reflect stable and consistent data collection processes across collection
points and over time, whether using manual or computer-based systems, or a
combination (e.g. All employees track sales with sales tax). - ✔️✔️Reliable
(Characteristics of quality data)
JavaScript, ASP, JSP, PHP, Perl, Tcl, and Python. - ✔️✔️Scripting languages used
more for automation than software development
Often used to indicate that the number of tiers a system will be broken down into will
vary between different software development projects. Includes presentation tier, logic
tier, and data tier. - ✔️✔️N-Tier and its parts
Where user interface for the system is developed (e.g. Employee printing out quarterly
report of sales figures). - ✔️✔️Presentation tier (N-Tier)
Where system performs its logic processing. Moves and processes data between
presentation tier and data tier (e.g. Employee determines annual rate of increase in
sales over last year). - ✔️✔️Logic tier (N-Tier)
Where data are stored, retrieved, and updated from database tables (e.g. Employee
inputs new customer list of January). - ✔️✔️Data tier (N-Tier)
Development technique used in the implementation of user interfaces (e.g. Marketing
manager wants to see how many units of a product is on-hand to justify a new
marketing campaign you would request this information via the controller. The user
wouldn't form the actual query, but would input the type of data requested, perhaps
selecting from a drop down menu the item number and type of report requested. The
controller would send this data to the model. The model would then develop a query
based on the information sent to it from the controller and the result of the query would
be presented in the selected view (report) back to the user). Includes the model, the
controller, and the view. - ✔️✔️MVC model and its parts
Where changes and updates are made to the data based on new data. It is in the model
layer that the business logic is designed. - ✔️✔️Model (MVC)
Part of an application that interacts with the user (via the view) and passes along the
user requests to the model. It is in the controller layer that the input logic is designed. -
✔️✔️Controller (MVC)
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