The document discusses the relationships among data, information, knowledge, and wisdom, as illustrated by the DIKW pyramid. It describes data as unprocessed facts, information as aggregated data that aids decision-making, knowledge as derived from information, and wisdom as the ability to make sound judgments. Additionally, it provides an example of how these concepts interact using the context of weather phenomena.

1. Unit 1
Information Systems and
Its Applications
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub

2. The DIKW Pyramid
Wisdom
Knowledge
Information
Data
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub

3. Data
Data
Data
•Unorganized and
unprocessed
facts; static; a
set of discrete
facts about
events
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub

4. Information
Information
Information:
Aggregation
of data that
makes
decision
making easier
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub

5. Knowledge
Knowledge
Knowledge is
derived from
information in
the same way
information is
derived from
data; it is a
person’s range
of information
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub

6. Knowledge
Wisdom
Wisdom is the
ability to make
wise decisions
and judgments
using one's
knowledge.
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub

7. Example
Wisdom
Knowledge
Information
Data
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub
It rains because it rains. And this encompasses an
understanding of all the interactions that happen between
raining, evaporation, air currents, temperature gradients,
changes, and raining.
If the humidity is very high and the temperature drops
substantially the atmospheres is often unlikely to be able
to hold the moisture so it rains.
The temperature dropped 15 degrees and
then it started raining
It is raining

8. Summary
Wisdom
Knowledge
Information
Data
22/09/2023 By Adugna Gizaw https://www.youtube.com/@ITtricksHub
Evaluated understanding
The application of data and information – answers the
how questions
Provides answers to the who, what, where
and when type questions
Data is raw, it is a set of symbols,
it has no meaning in itself