QUESTIONS AND VERIFIED CORRECT ANSWERS NEWEST
UPDATE 2024
Information Technology - (correct answer) technology used in creating and making
information accessible.
IT Professional Roles - (correct answer) Administration / Support
System Administrator - (correct answer) Maintains system (hardware, software, and
programming)
Network Administrator - (correct answer) In charge of the computer network
Database Administrator - (correct answer) Focuses on the design, development,
and support of DBMS
Security Administrator - (correct answer) Installs/administers firewall security to
protect systems and stop intrusions.
Web Administrator - (correct answer) Installs/troubleshoots web severs.
Support IT Professionals - (correct answer) Help desk and training.
Information - (correct answer) Processed data.
DIKW Hierarchy - (correct answer) Data Information Knowledge Wisdom
Data in DIKW - (correct answer) The input
(not usable until it converted into a relevant form)
Information in DIKW - (correct answer) inferred from data
data transformed into a useful form by applying 1+ processes
Knowledge in DIKW - (correct answer) (Refined) Information placed into a context.
recalling relevant information
Wisdom in DIKW - (correct answer) Provides a social setting to knowledge
an understanding of the "why"
knowledge and experience.
Information Systems - (correct 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 - (correct answer) Relevance - relates directly to
decision being made
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
Reliable - stable and consistent over time
IPOS - (correct answer) The Input-Procession-Output-Storage Cycle
Input - (correct answer) Raw data is entered by the user.
Processing - (correct answer) Raw data is structured for usefulness.
Output - (correct answer) Information is output so user can see results.
Storage - (correct answer) Processed info stored for permanent record.
Computer System - (correct answer) A collection of components working together to
meet the users needs;
hardware, software, networks, users.
Hardware is the
And contains the ____ and ________ - (correct answer) Physical components
(tangible)
system unit and peripheral devices
Software contain the 1) 2)that perform this function 3)to accomplish - (correct 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 ______ _______ - (correct answer) A
collection of computers and resources that communicate with each other by various
media
User - (correct answer) Those who use a computer.
Software Categories - (correct answer) Systems Software
Applications Software
, Evolution of Users 1,2,3 - (correct answer) First users: engineers who built and
programmed computers
Next: employees who had received specialized training
Today: anyone can be a user.
Protocol is the - (correct answer) Rules for computers to communicate by
2 most common protocols - (correct answer) TCIP
IP
TCP/IP is required by all ______that _________ - (correct answer) Transmission
Control Protocol/Internet Protocol
required of all computers that communicate over the Internet.
Protocol Stack - (correct answer) A collection of protocols
EX: TCP/IP
Components of a Computer 1) 2)__&___ 3) - (correct answer) CPU, Memory and
Storage, Peripheral Devices
CPU
Executes programs _______
____________ components of computer
AKA the "______" - (correct answer) Executes programs' instructions
commands various components in the computer
The "chip"
Memory Stores... ________ and their _______ - (correct answer) programs and
their data.
I/O Subsystem contain ___________ where _____ ________ _________devices are
used - (correct answer) All peripheral devices
where long term storage devices are used.
Bus contain _______ _____ that enable communication among the _________
________ - (correct 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 -
(correct answer) Critical component of all computer based systems
The system unit consists of 1) 2)and come in ______ - (correct answer) hardware
the computer needs to run; comes in a variety of shapes and sizes./a tower or
chassis/all internal computer