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UPDATE.
Data, information, knowledge, wisdom. - ANSWER ✔✔ 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). - ANSWER ✔✔ Data (DIKW)
Data transformed in to something useful (e.g. list of numbers processed through statistical
analysis). - ANSWER ✔✔ Information (DIKW)
Result of experience gained from using information (e.g. selecting proper algebraic laws to solve
a problem). - ANSWER ✔✔ Knowledge (DIKW)
An understanding of why something is or was. Can only come by having knowledge and
experience. - ANSWER ✔✔ Wisdom (DIKW)
Collection of data and information used to support management of an organization. - ANSWER
✔✔ Information System
Relevant, timely, thorough, accurate, and reliable. - ANSWER ✔✔ Characteristics of quality
data
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). - ANSWER ✔✔ Relevant
(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). - ANSWER ✔✔ 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) - ANSWER ✔✔ 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) - ANSWER ✔✔ 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). - ANSWER ✔✔ Reliable (Characteristics of quality data)
E. octal and hexidecimal - ANSWER ✔✔ 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
JavaScript, ASP, JSP, PHP, Perl, Tcl, and Python. - ANSWER ✔✔ 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. - ANSWER ✔✔ N-Tier and its parts
Where user interface for the system is developed (e.g. Employee printing out quarterly report of
sales figures). - ANSWER ✔✔ 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). -
ANSWER ✔✔ Logic tier (N-Tier)
Where data are stored, retrieved, and updated from database tables (e.g. Employee inputs new
customer list of January). - ANSWER ✔✔ 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. - ANSWER ✔✔ 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. - ANSWER ✔✔ 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. - ANSWER
✔✔ Controller (MVC)