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Introduction to information processing - Coggle Diagram
Introduction to information processing
Data and Information
Data
collection of raw facts
have no meanings
Information
organized data
have meanings
Types of Data
Audio
digital audio signals
MP3
Input by Microphone
Images
Bitmap
PNG
Input by Scanner
Text
Unicode
\u5f37\u6d69
Input by keyboards
Videos
Images in motion + audio
MP4
Input by Camera
Information System
Data
can be retrieved by query languages
Stored in main database
Purpose
Improving an existing system
Fixing system problems
Automating an existing manual process
Processes
can be a complex task
For example, categorizing data is a type of process
work with data inside the main database
Technologies
Softwares
system software
application software
network technology
hardwares
Personnel
technician
network manager
programmer
data entry operator
system analyst
Information Life Cycle
Storage
Organization
Processing
Data collection
Analysis
Transmission
Presentation
Information Age
Knowledge-based Society
Communication Networks
High transmission speed and wide coverage at low cost
People
must supplement their knowledge through continuous education
must be information literate
Computers
Producing, manipulating, storing and distributing knowledge
Information spreads widely and rapidly
An innovative and lifelong learning society
Sam Ching 4C17