WGU D322 - Introduction to IT - Final Exam Review Questions & Answers
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WGU D322 - Introduction to IT -
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WGU D322 - Introduction To IT -
WGU D322 - Introduction to IT - Final Exam Review
Questions & Answers
WGU D322 - Introduction to IT - Final Exam Review
Questions & Answers
WGU D322 - Introduction to IT - Final Exam Review
Questions & Answers
WGU D322 - Introduction to IT - Final Exam Review
Questions & Answers
Information Technology - ANSWER-technology used in creating and making information
accessible.
IT Professional Roles - ANSWER-Administration / Support
System Administrator - ANSWER-Maintains system (hardware, software, and
programming)
Network Administrator - ANSWER-In charge of the computer network
Database Administrator - ANSWER-Focuses on the design, development, and support
of DBMS
Security Administrator - ANSWER-Installs/administers firewall security to protect
systems and stop intrusions.
Web Administrator - ANSWER-Installs/troubleshoots web severs.
Support IT Professionals - ANSWER-Help desk and training.
Information - ANSWER-Processed data.
DIKW Hierarchy - ANSWER-Data Information Knowledge Wisdom
Data in DIKW - ANSWER-The input
(not usable until it converted into a relevant form)
Information in DIKW - ANSWER-inferred from data
data transformed into a useful form by applying 1+ processes
Knowledge in DIKW - ANSWER-(Refined) Information placed into a context.
recalling relevant information
Wisdom in DIKW - ANSWER-Provides a social setting to knowledge
an understanding of the "why"
knowledge and experience.
Information Systems - ANSWER-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 - ANSWER-Relevance - relates directly to decision being
made
, WGU D322 - Introduction to IT - Final Exam Review
Questions & Answers
Timely - efficient and provided in a timely manner
Thorough - the data must be complete
Accurate - data = captured only once (where possible). Captured as close as possible to
the point of activity
Processing - ANSWER-Raw data is structured for usefulness.
Output - ANSWER-Information is output so user can see results.
Storage - ANSWER-Processed info stored for permanent record.
Computer System - ANSWER-A collection of components working together to meet the
users needs;
hardware, software, networks, users.
Hardware is the
And contains the ____ and ________ - ANSWER-Physical components (tangible)
system unit and peripheral devices
Software contain the 1) 2)that perform this function 3)to accomplish - ANSWER-
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 ______ _______ - ANSWER-A collection
of computers and resources that communicate with each other by various media
Evolution of Users 1,2,3 - ANSWER-First users: engineers who built and programmed
computers
, WGU D322 - Introduction to IT - Final Exam Review
Questions & Answers
Next: employees who had received specialized training
Today: anyone can be a user.
Protocol is the - ANSWER-Rules for computers to communicate by
2 most common protocols - ANSWER-TCIP
IP
TCP/IP is required by all ______that _________ - ANSWER-Transmission Control
Protocol/Internet Protocol
required of all computers that communicate over the Internet.
Protocol Stack - ANSWER-A collection of protocols
EX: TCP/IP
Components of a Computer 1) 2)__&___ 3) - ANSWER-CPU, Memory and Storage,
Peripheral Devices
CPU
Executes programs _______
____________ components of computer
AKA the "______" - ANSWER-Executes programs' instructions
commands various components in the computer
The "chip"
Memory Stores... ________ and their _______ - ANSWER-programs and their data.
I/O Subsystem contain ___________ where _____ ________ _________devices are
used - ANSWER-All peripheral devices
where long term storage devices are used.
Bus contain _______ _____ that enable communication among the _________
________ - ANSWER-electrical channels that enable communication among the
electronic components
Permits information to move between each component
The System Unit is the _________ component of _____ ______ ________ systems -
ANSWER-Critical component of all computer based systems
The system unit consists of 1) 2)and come in ______ - ANSWER-hardware the
computer needs to run; comes in a variety of shapes and sizes./a tower or chassis/all
internal computer
Internal Components of the System Unit
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