WGU D322 Introduction to IT Study Guide
and Well Defined Terms with Certified Solutions
2023-2024
Information Technology
- ✔- technology used in creating and making information accessible.
IT Professional Roles
- ✔- Administration / Support
System Administrator
- ✔- Maintains system (hardware, software, and programming)
Network Administrator
- ✔- In charge of the computer network
Database Administrator
- ✔- Focuses on the design, development, and support of DBMS
Security Administrator
- ✔- Installs/administers firewall security to protect systems and stop intrusions.
Web Administrator
- ✔- Installs/troubleshoots web severs.
Support IT Professionals
- ✔- Help desk and training.
Information
- ✔- Processed data.
DIKW Hierarchy
- ✔- Data Information Knowledge Wisdom
, WGU D322 Introduction to IT Study Guide
and Well Defined Terms with Certified Solutions
2023-2024
Data in DIKW
- ✔- The input
(not usable until it converted into a relevant form)
Information in DIKW
- ✔- inferred from data
data transformed into a useful form by applying 1+ processes
Knowledge in DIKW
- ✔- (Refined) Information placed into a context.
recalling relevant information
Wisdom in DIKW
- ✔- Provides a social setting to knowledge
an understanding of the "why"
knowledge and experience.
Information Systems
- ✔- A collection of data and information that supports decision making in an
organization.
Existed for a lot longer than computers.
Enables data processing and storage them delivering information
Characteristics of Quality Data
- ✔- Relevance - relates directly to decision being made
-Timely - efficient and provided in a timely manner
-Thorough - the data must be complete
, WGU D322 Introduction to IT Study Guide
and Well Defined Terms with Certified Solutions
2023-2024
-Accurate - data = captured only once (where possible). Captured as close as
possible to the point of activity
-Reliable - stable and consistent over time
IPOS
- ✔- The Input-Procession-Output-Storage Cycle
Input
- ✔- Raw data is entered by the user.
Processing
- ✔- Raw data is structured for usefulness.
Output
- ✔- Information is output so user can see results.
Storage
- ✔- Processed info stored for permanent record.
Computer System
- ✔- A collection of components working together to meet the users needs;
hardware, software, networks, users.
Hardware is the
And contains the ____ and ________
- ✔- Physical components (tangible)
system unit and peripheral devices
, WGU D322 Introduction to IT Study Guide
and Well Defined Terms with Certified Solutions
2023-2024
Software contain the 1) 2)that perform this function 3)to accomplish
- ✔ - Computer programs
-That tell the computer how to
-process information then execute commands
Network is a ____ of _______ and _______
These things communicate with each other by ______ _______
- ✔- A collection of computers and resources that communicate with each other
by various media
User
- ✔- Those who use a computer.
Software Categories
- ✔- Systems Software
Applications Software
Evolution of Users 1,2,3 - ✔- First users: engineers who built and programmed
computers
Next: employees who had received specialized training
Today: anyone can be a user.
Protocol is the
- ✔- Rules for computers to communicate by
2 most common protocols - ✔
- TCIP
- IP
and Well Defined Terms with Certified Solutions
2023-2024
Information Technology
- ✔- technology used in creating and making information accessible.
IT Professional Roles
- ✔- Administration / Support
System Administrator
- ✔- Maintains system (hardware, software, and programming)
Network Administrator
- ✔- In charge of the computer network
Database Administrator
- ✔- Focuses on the design, development, and support of DBMS
Security Administrator
- ✔- Installs/administers firewall security to protect systems and stop intrusions.
Web Administrator
- ✔- Installs/troubleshoots web severs.
Support IT Professionals
- ✔- Help desk and training.
Information
- ✔- Processed data.
DIKW Hierarchy
- ✔- Data Information Knowledge Wisdom
, WGU D322 Introduction to IT Study Guide
and Well Defined Terms with Certified Solutions
2023-2024
Data in DIKW
- ✔- The input
(not usable until it converted into a relevant form)
Information in DIKW
- ✔- inferred from data
data transformed into a useful form by applying 1+ processes
Knowledge in DIKW
- ✔- (Refined) Information placed into a context.
recalling relevant information
Wisdom in DIKW
- ✔- Provides a social setting to knowledge
an understanding of the "why"
knowledge and experience.
Information Systems
- ✔- A collection of data and information that supports decision making in an
organization.
Existed for a lot longer than computers.
Enables data processing and storage them delivering information
Characteristics of Quality Data
- ✔- Relevance - relates directly to decision being made
-Timely - efficient and provided in a timely manner
-Thorough - the data must be complete
, WGU D322 Introduction to IT Study Guide
and Well Defined Terms with Certified Solutions
2023-2024
-Accurate - data = captured only once (where possible). Captured as close as
possible to the point of activity
-Reliable - stable and consistent over time
IPOS
- ✔- The Input-Procession-Output-Storage Cycle
Input
- ✔- Raw data is entered by the user.
Processing
- ✔- Raw data is structured for usefulness.
Output
- ✔- Information is output so user can see results.
Storage
- ✔- Processed info stored for permanent record.
Computer System
- ✔- A collection of components working together to meet the users needs;
hardware, software, networks, users.
Hardware is the
And contains the ____ and ________
- ✔- Physical components (tangible)
system unit and peripheral devices
, WGU D322 Introduction to IT Study Guide
and Well Defined Terms with Certified Solutions
2023-2024
Software contain the 1) 2)that perform this function 3)to accomplish
- ✔ - Computer programs
-That tell the computer how to
-process information then execute commands
Network is a ____ of _______ and _______
These things communicate with each other by ______ _______
- ✔- A collection of computers and resources that communicate with each other
by various media
User
- ✔- Those who use a computer.
Software Categories
- ✔- Systems Software
Applications Software
Evolution of Users 1,2,3 - ✔- First users: engineers who built and programmed
computers
Next: employees who had received specialized training
Today: anyone can be a user.
Protocol is the
- ✔- Rules for computers to communicate by
2 most common protocols - ✔
- TCIP
- IP
