Data And Information Topic 3 (.7.Big data (. (, , )), 5.IT used to…
Data And Information Topic 3
5.IT used to support data collection
8.Data used in different contexts (e.g law enforcement, education, health and fitness, shopping, entertainment, lifestyle
Information is created after data has been processed
Definition: facts provided or learned about something or someone.
Calculation: Data + context + structure = Information
Text e.g Apple
Date e.g 7/1/20
Integer e.g 490
Has no meaning
Data is raw facts and figures before it has been processed.
4.Different methods of collecting data
QR code reader
Web based survey
Methods to collect and store i.e:
Questionnaires / surveys
6.Different storage methods
Physical Device: t's a carryable device or a device already in the computer.
Cloud: Its stored on online servers around the world.
External Hard Drive
internal Hard Drive
USB Memory Drive