Data and information

What is the definition of data?
Any character, text, word or number that if not put into doesn't make sense.(raw facts and figures)
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Is this data or information? 9ihojh
data
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Name 3 data types
text, alphanumeric, numeric, decimal, date/time, limited choice, object, logical/boolean
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What are the 2 types of number data?
integers- whole numbers and real numbers- with decimal places
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What characters can be in an alphernumeric data type?
Any letter, number, symbol or puntuation mark
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How many decimal places is the currency data type stored to?
2
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A curency data type allows you to store...
the correct symbol
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what is information?
data with structure added and put into context
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What is structure?
How the data is presented- are the numbers actualy numbers?
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What is context?
an envirionment where our prior understanding can make sense of the data
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An advantage and disadvantage of surveys?
cheeper than interveiws but if it is badly designed you may not get the data that is required
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An advantage and disadvantage of email?
Itcan be sent to many people at the same time but they can atomaticaly be diverted to junck by the email provider
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An advantage and disadvantage of sensors?
It does not need human intervention once set up but it may stop working
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An advantage and disadvantage of interveiws?
questions can be modified but they can be time consuming and costly
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An advantage and disadvantage of consumer pannels?
You can get feedback specific to your product but it may be costly to provide sample products
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An advantage and disadvantage of loyalty scemes?
They keep people coming t the bussiness but data collected can be an invasion of privacy
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An advantage and disadvantage of statistical reports?
They can show trends and patterns but it may not be a true representation
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An advantage and disadvantage of secondery reaserch methods?
It is quicker and may have already been processed but it may not be the information that you require
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Technology used to support data collection
barcode readers, web bassed surveys, wearable technologies and mobile technologies
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Cloud computing
It is data that is stored on a web server which you can access over the internet
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An advantage and disadvantage of cloud computing
Buissnesses can rent software and storage facillaties when they need it but it can be costly
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local computing
data saved on your computer
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An advantage and disadvantage of local computing
It does not need internet connection but you need to make sure you back it up yourself
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What is Big Data
It is lots oan lots of data stored in big databases. It can be collected, stored and proccessed to find trends
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big data can be used in...
law enforcement, education, health, fittness, shopping and lifstyle
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An advantage and disadvantage of Big Data
Large amounts of data can be collected and stored but incorrect data can lead to incorrect results.
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Other cards in this set

Card 2

Front

Is this data or information? 9ihojh

Back

data

Card 3

Front

Name 3 data types

Back

Preview of the front of card 3

Card 4

Front

What are the 2 types of number data?

Back

Preview of the front of card 4

Card 5

Front

What characters can be in an alphernumeric data type?

Back

Preview of the front of card 5
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