Hlth 460 midterm
Terms
undefined, object
copy deck
- Local area network
- (LAN) connected computers in close proximity
- GIGO
- Garbage in, garbage out
- database model
- model that is used to structure the data in a database
- truncation
- 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
- system
- a set of related interactin parts enclosed in a boudary
- data
- uninterpreted elements
- negentropy
- tendency of living systems to grow and become more complex
- affective behaviors
- behaviors that relate to values and attitudes
- entropy
- tendency of all systems to bread down into their simplest parts, becoming increasingly disorganized or random
- reverberation
- change within any part of the system will be reflectd across the total sytem
- query
- 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
- record
- horizontal column in a database that contains the different pieces of data belonging to a given entity
- specialization
- 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
- wisdom
- 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
- attributes
- properites of the parts or components of the system
- equifinality
- 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
- Theory
- a model of the universe and a set of rules that relate quanitities in the model to observations that we make
- database
- structured collection of individual data elements
- algorithm
- 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
- concept
- the building block of a theory which provides structure
- field
- 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
- hardware
- 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
- Information
- 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)
- knowledge
- when data and information are identified and the relationships between the data and information are formalized
- wildcards
- symbols, such as asterisks, that are used to represent the characters in the truncation process
- static information
- information that remainds the same after publication
- boundary
- 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