prelims Flashcards
data vs. information (51 cards)
raw,unprocessedfactsandfigures that
havenointrinsicmeaningorcontext.Itis the
fundamental inputinanyinformationmanagement
process.
data
characteristics of data
-lacks structure or meaning until organized
-can exist in various formats
processed, structured,or
organizeddatathatprovidescontext,relevance,
andmeaning,enablingdecision-makingor
understanding.
information
characteristics of information
-derived through analysis, interpretation and presentation
-provides context, making data actionable and useful
data(nature, context, purpose, example)
nature: raw facts and figures
context: no context
purpose: collected for potential use
example: 1, 2, 3
information(nature, purpose, context, example)
nature: processed and meaningful
context: contextual and structured
purpose: used for understanding and decisions
example: “sales increased by 50% last month”
types of data
-based on structure
-based on origin
-based on processing
-based on sensitivity
-based on format
-based on use
-based on storage and accessibility
Datathatisorganizedintoa
definedformat, suchas rowsand
columns,makingiteasytosearch
andanalyze.
structured data
examples of structured data
-databases
-spreadsheets
-ms excel
Datathatlacksapredefined
structure,makingitharderto
organizeandanalyze.
unstructured data
examples of unstructured data
-text documents
-images
-videos
-emails
Datathatdoesnotconformtoa
strict structurebut stillcontains
tagsormarkers fororganization.
semi structured data
example of semi structured data
-xml, json, yaml files
-log files
collected directly from the source for a specific purpose
primary data
examples of primary data
survey results, sensor data, interviews
data collected from existing sources, not directly by the user
secondary sources
examples of secondary sources
research papers, government reports, online datasets
data in its original, unprocessed form
raw data
examples of raw data
-output from sensors
-log from systems
data that has been cleaned, analyzed and organized for specific use
processed data
examples of processed data
-reports
-summaries
-dashboards
data available to the general public without restrictions
public data
examples of public data
-open government data
-public research findings
data meant to be confidential and restricted to specific individuals or groups
private data