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WGU C182 Terms Of Introduction to IT
1.Information Technology: The technology used in creating,
maintaining, and making information accessible.
2.IT Professional Roles: Administration and Support
3.System Administrator: Maintains all aspects of the system including
hardware, software, and programming.
4.Network Administrator: In charge of all aspects of the computer
network
5.Database Administrator: Focuses on the design, development, and
support of database management systems (DBMSs).
6.Security Administrator: Installs, configures, and administers firewall
security to protect systems and proactively work to stop intrusions.
7.Web Administrator: Installs, configures, maintains, secures, and
troubleshoots web severs.
8.Support IT Professionals: Help desk and training.
9.Information: Processed data.
10.DIKW Hierarchy: Defines the transition of data to information to
knowledge to wisdom. (Data Information Knowledge Wisdom)
11.Data in DIKW: The input directly received by the user (or
computer). It is generally not usable until it has been converted 1 / 3
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into a relevant form.
12.Information in DIKW: Having been inferred from data; one or more
processes have been applied to the data to transform it into a more useful form.
13.Knowledge in DIKW: Information that has been put to use;
information placed into a context. Refined information such that the user of the knowledge is able to call forth only relevant portions of information when needed.
14.Wisdom in DIKW: Provides a social setting to knowledge; an
understanding of the "why". Can only come by having both knowledge and experience.
15.Information Systems: A collection of data and information used to
support the management of an organization. Also refers to the technical components and human resources that enable the assembly, storage, and processing of data and the delivery of information. This has existed for a lot longer than computers.
16.Characteristics of Quality Data: Relevance - the data being used
must apply directly to the decision being made Timely - data must be efficient and must be provided in a timely manner 2 / 3
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Thorough - the data must be complete Accurate - data should be captured only once, where possible and should be captured as close to the point of activity as possible.Reliable - data should reflect stable and consistent data collection processes across collections points and over time
17.IPOS: The Input-Procession-Output-Storage Cycle
18.Input: Raw data is entered by the user.
19.Processing: Raw data is organized or structured for usefulness.
20.Output: Information is output so user can see results.
21.Storage: Processed information is stored for permanent record.
22.Computer System: A collection of components that work together to
meet the needs of the user; typically categorized as either hardware, software, networks, or users.
23.Hardware: Physical components of a computer system which
include the system unit and its components and peripheral devices; tangible aspects of the computer.
24.Software: Computer programs that tell the computer what to do--
how to exe- cute commands and process information
25.Network: A collection of computers and resources connected by
various media so that they can communicate with each other.
26.User: Those who use a computer.
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