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Chapter 2
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Cards (11)
A
network
consists of two or
more computers
that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communications.
facts provided or learned about something or
someone.
Common file types -
DOCs
, PDFs, TXTs,
GIFs
,
JPEGs
, PNGs,
MP4s
, MP3s,
ZIPs
Knowledge
-
Facts, information, and skills acquired through experience.
Lessons
learned
Factors that tell us about the Quality of data
Age
, Quantity,
Reliability
, Source,
Format
data capturing
-
the action or process of gathering data, especially from an
automatic device
,
control system
, or sensor.
Examples of Data capturing tools: Data
collection
forms, surveys,
questionnaires
,
interviews
, observations,
focus
groups, and ethnography
How we can validate Data
Perform
calculations
to confirm findings.
Check if the data entered by entering it
twice.
Check if the data is
sensible
(Check if data makes sense from
real world experience
)
File property is essential
information
about files like the
author
and the time it was
created
Leo's top 3 movies are
Argylle
,
Tarot
and
Beekeeper
Data errors and how we can overcome them.
Human
error in data entry:
Double entry.
Relying on
unreliable
data: Make sure the data is
trustworthy.
Bad
data collection:
Improve
data collection.
Corrupt data: (
Malware
,
hard drive failures
): Backup of the
data.