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Hlth 460 midterm


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Local area network
(LAN) connected computers in close proximity
Garbage in, garbage out
database model
model that is used to structure the data in a database
use of symbols to represent letters to search for vatiaions in spelling or forms of worrd
Nelson Data-to-Wisdom continuum
A continuum using data, information, knowledge, and wisdom
Functions of system
activities that system carries out to achieve its purpose
arithmetric logic unit
unit in computer which performs all arithmetic and logic functions
unique identifier
a way to identify each record so that it will not be duplicated in the table
closed system
system enclosed in an impermeable boudnary that does not interact with the environment
a set of related interactin parts enclosed in a boudary
uninterpreted elements
tendency of living systems to grow and become more complex
affective behaviors
behaviors that relate to values and attitudes
tendency of all systems to bread down into their simplest parts, becoming increasingly disorganized or random
change within any part of the system will be reflectd across the total sytem
feature that permits the selectoin of dsired records in a database
Random Access Memory
(RAM) functions as the working area of a po
Shannon & Weaver's Information Communication Model
information theory providing a framework for analyzing the effectiveness and efficiency of information transfer and communication
horizontal column in a database that contains the different pieces of data belonging to a given entity
as systems grow and become more complex, they divide into subsystems
automated information system
system that takes in data information, processes the data, and puts out new information
Diffusion of Innovation
(Rogers) focuses on the process by which people and social systems make changes
the appropriate use of knowledge in managing or solving human problems
computer literacy
the ability to use current computer technology as a problem-solving tool in ahealth care setting
Health informatics literacy
occurs at the intersection of the information literacy, computer literacy, and the application of professional knowledge
primary key
the key field or fields in a master table
properites of the parts or components of the system
the ability of open systems to reach the same end state by starting at different initial states and by using different means
Read-only memory
(ROM) memory manufactered with stored information about the hardware of the computer and cnanot be changed
a model of the universe and a set of rules that relate quanitities in the model to observations that we make
structured collection of individual data elements
a set of rules to follow that are inclusive of all cases
key field
unique identifiers which create a relational database by allowing data from different tables to be combined
open system
system enclosed in semi-permeable boundaries that does interacts with the environment
dynamic homeostasis
the processes used bya system to maintain a steady state or balance
Boolean operators
words, representing a form of logic, used to combine terms in searching (and, or, not)
control unit
unit in computer which retrieves commands and data, executes commands on data, stores the results
the building block of a theory which provides structure
vertical column in a database
automated expert system
implements the decision of the computer system
Systems theory
A set of interrelated interacting parts within a boundary. The system is more than the sum of its parts due to it's interrelationships
Wide area network
(WAN) widely dispersed connected cmputers
foreign key
the exact match of a primary key in a detail table
physical parts of a computer that perform the functions of data processing, storage of data and programs, input of data, and output of processed information
Planned change theory
(Lewin) focuses on how a change agent can guide the change processes
automated decision support system
system that uses knowledge and a set of rules for using the knowledge to inerpret data and information to formulate recommendations
database management system
software program that is used to manage, organize, and retrieve data and information from a database
a collection of data that has been processed and then displayed as information
Behavior theory
explains complex learning processes by breaking down learning into the smallest units (reductionist)
when data and information are identified and the relationships between the data and information are formalized
symbols, such as asterisks, that are used to represent the characters in the truncation process
static information
information that remainds the same after publication
forms the demarcation between the target system and the environment of the system
Systems, Information, Learning, Change
Major theories in health care informatics (SILC)
theoretical model
a description or figure used to help visualize a theory.
Structure of system
allows systems to perform their functions, follows function
Operating system
software program that controls the functioning of the computer by managing tasks, data, and devices
Purpose of system
reason for a system's existence, often stated in mission statement (can be more than one

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