WGU C182 INTRODUCTION TO INFORMATION TECHNOLOGY
(IT) COMPLETE EXAM WITH HIGH-YIELD QUESTIONS,
DETAILED ANSWER EXPLANATIONS AND RATIONALES,
INFORMATION TECHNOLOGY FUNDAMENTALS, COMPUTER
HARDWARE AND SOFTWARE CONCEPTS, NETWORKING,
CYBERSECURITY, DATABASES, CLOUD COMPUTING, REAL-
WORLD IT APPLICATIONS, TEST-TAKING STRATEGIES, AND
COMPREHENSIVE COURSE EXAM PREPARATION TOOLKIT –
2026/2027 LATEST UPDATED EDITION
Information Technology
The technology used in creating, maintaining, and making information accessible.
IT Professional Roles
Administration and Support
System Administrator
Maintains all aspects of the system including hardware, software, and
programming.
Network Administrator
In charge of all aspects of the computer network
Database Administrator
Focuses on the design, development, and support of database management systems
(DBMSs).
,Security Administrator
Installs, configures, and administers firewall security to protect systems and
proactively work to stop intrusions.
Web Administrator
Installs, configures, maintains, secures, and troubleshoots web severs.
Support IT Professionals
Help desk and training.
Information
Processed data.
DIKW Hierarchy
Defines the transition of data to information from knowledge to wisdom. (Data
Information Knowledge Wisdom)
Data in DIKW
The input directly received by the user (or computer). It is generally not usable
until it has been converted into a relevant form.
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.
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.
Wisdom in DIKW
Provides a social setting to knowledge; an understanding of the "why". Can only
come by having both knowledge and experience.
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.
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
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
IPOS
The Input-Procession-Output-Storage Cycle
Input
Raw data is entered by the user.
Processing
Raw data is organized or structured for usefulness.
Output
Information is output so user can see results.
Storage
Processed information is stored for permanent record.
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.
Hardware
Physical components of a computer system which include the system unit and its
components and peripheral devices; tangible aspects of the computer.
Software
(IT) COMPLETE EXAM WITH HIGH-YIELD QUESTIONS,
DETAILED ANSWER EXPLANATIONS AND RATIONALES,
INFORMATION TECHNOLOGY FUNDAMENTALS, COMPUTER
HARDWARE AND SOFTWARE CONCEPTS, NETWORKING,
CYBERSECURITY, DATABASES, CLOUD COMPUTING, REAL-
WORLD IT APPLICATIONS, TEST-TAKING STRATEGIES, AND
COMPREHENSIVE COURSE EXAM PREPARATION TOOLKIT –
2026/2027 LATEST UPDATED EDITION
Information Technology
The technology used in creating, maintaining, and making information accessible.
IT Professional Roles
Administration and Support
System Administrator
Maintains all aspects of the system including hardware, software, and
programming.
Network Administrator
In charge of all aspects of the computer network
Database Administrator
Focuses on the design, development, and support of database management systems
(DBMSs).
,Security Administrator
Installs, configures, and administers firewall security to protect systems and
proactively work to stop intrusions.
Web Administrator
Installs, configures, maintains, secures, and troubleshoots web severs.
Support IT Professionals
Help desk and training.
Information
Processed data.
DIKW Hierarchy
Defines the transition of data to information from knowledge to wisdom. (Data
Information Knowledge Wisdom)
Data in DIKW
The input directly received by the user (or computer). It is generally not usable
until it has been converted into a relevant form.
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.
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.
Wisdom in DIKW
Provides a social setting to knowledge; an understanding of the "why". Can only
come by having both knowledge and experience.
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.
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
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
IPOS
The Input-Procession-Output-Storage Cycle
Input
Raw data is entered by the user.
Processing
Raw data is organized or structured for usefulness.
Output
Information is output so user can see results.
Storage
Processed information is stored for permanent record.
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.
Hardware
Physical components of a computer system which include the system unit and its
components and peripheral devices; tangible aspects of the computer.
Software
