LO3 - Information and data
Data
Are facts and figures that have not been processed, and has no context
Examples of data types
text
alphanumeric
Information
Processed data that is given context
The data is given structure, context ad meaning
boolean
real number
currency
date/time
Object
anything additional i.e a picture or graph
Yes or no, or true or false
Limited choice
Dropdown lists, or tick boxes
Collection of data
Questionnaires/surveys
It may be online or a paper version
Can be open or closed questions, typically closed
Online questionnaire is much cheap and efficient than paper form
There is waste paper by printing and shipping bills
Get results instantly
Can calculate results into statistics easier
Paper forms mean it does not require wifi/internet
Results are safer, less likely to be destroyed
Less likely to end up in someone's junk mail
Hard copy if its paper
Can be sent to multiple people via email
Sensors
Is a device that responds to the change or input from its environment
Inputs include light, heat or motion
Interviews
Initial setup and maintenance of the sensors is expensive
Do not require human input, automatic
Are able to collect more detailed data using open questions
More valid data, less likely to lie
Between interviewer and interviewee
Data gather then is analysed
Consumer panels
A group of people that give feedback though a series of questions
Is likely to be cross-sectioned and random selection of people to give feedback
The feedback can either be collected face to face or online
Loyalty scheme
Is points based rewards offered by a business to its customers
Promotions on products that are popular
To lure back the customer
The business can collect data such as what the person is buying or what is popular overall
Customer gets rewarded every-time they use the business
Primary and secondary data
Primary
Secondary
data that is already collected and exists
Via the internet
Data collected first hand for a reason
Quick and easy
Much cheaper
time and effort to collect
Can be quite expensive to collect
Information technologies
Barcodes
Every barcode is unique
It stores data about the product
helps businesses with stock control
Quick Response (QR) codes
QR codes are 2 dimensional barcodes that store data
Used for loyalty schemes, can tell which products the customer has bought
The data of the consumers' spending is transferred onto the loyalty card
Made up of black modules arranged as a square
There able hold more data and scan faster than a bar code
A product can have a QR and allow a person to scan it with their phone
Take them to their website, can be interactive between consumers and businesses
Web-bases surveys
Can be sent via email or a URL link
Any device that have internet are bale to access the survey
can be interactive between consumers and businesses
Help them make a decision, such as voting for something
Summited responses are stored and analysed automatically
Wearable technology
Collects data automatically
Smart electronics that you are able to wear
can track someones fitness levels, such as how much sleep they've had or steps they've done
Many of these devices have apps that are connected
Mobile technology
Is a device that is portable for the user's everyday life
Can have instant access to the internet
Phones, tablets, e-books
Storage of data
The cloud
Is a software, storage areas that is run by the internet instead of on a physical device
Has a large storage capacity
Made up of lots of servers that store data and information
Hardisks
Accessed through the web browser
Examples
Dropbox
Google drive
Amazon drive
OneDrive
icloud
Many are able to collaborate on a file
Is easily shareable
cloud servers may be down, same with internet
Can be exposed to hackers
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many hards use magnetics disks
Disks are circular and spin, while the dive head reads that data or write the data
Storage of files or data that is not currently used
Can store huge amounts of data
How is not able to read if the disk is damaged or has dirt
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