2024/2025
Information Technology - Precise Answer ✔✔The technology used in
creating, maintaining, and making information accessible.
IT Professional Roles - Precise Answer ✔✔Administration and Support
System Administrator - Precise Answer ✔✔Maintains all aspects of the
system including hardware, software, and programming.
Network Administrator - Precise Answer ✔✔In charge of all aspects of
the computer network
Database Administrator - Precise Answer ✔✔Focuses on the design,
development, and support of database management systems (DBMSs).
Security Administrator - Precise Answer ✔✔Installs, configures, and
administers firewall security to protect systems and proactively work to
stop intrusions.
Web Administrator - Precise Answer ✔✔Installs, configures, maintains,
secures, and troubleshoots web severs.
,Support IT Professionals - Precise Answer ✔✔Help desk and training.
Information - Precise Answer ✔✔Processed data.
DIKW Hierarchy - Precise Answer ✔✔Defines the transition of data to
information to knowledge to wisdom. (Data Information Knowledge
Wisdom)
Data in DIKW - Precise Answer ✔✔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 - Precise Answer ✔✔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 - Precise Answer ✔✔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 - Precise Answer ✔✔Provides a social setting to
knowledge; an understanding of the "why". Can only come by having
both knowledge and experience.
,Information Systems - Precise Answer ✔✔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 - Precise Answer ✔✔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 - Precise Answer ✔✔The Input-Procession-Output-Storage Cycle
Input - Precise Answer ✔✔Raw data is entered by the user.
Processing - Precise Answer ✔✔Raw data is organized or structured for
usefulness.
, Output - Precise Answer ✔✔Information is output so user can see
results.
Storage - Precise Answer ✔✔Processed information is stored for
permanent record.
Computer System - Precise Answer ✔✔A collection of components that
work together to meet the needs of the user; typically categorized as
either hardware, software, networks, or users.
Hardware - Precise Answer ✔✔Physical components of a computer
system which include the system unit and its components and peripheral
devices; tangible aspects of the computer.
Software - Precise Answer ✔✔Computer programs that tell the
computer what to do--how to execute commands and process
information
Network - Precise Answer ✔✔A collection of computers and resources
connected by various media so that they can communicate with each
other.
User - Precise Answer ✔✔Those who use a computer.