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Data collection and use (DATATYPES (Fraction (Enables fractions to be…
Data collection and use
DATATYPES
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Decimal
Shows an exact number value using a decimal point, followed by numbers.
Date / Time
There are different methods, chosen due to the way that the data is processed.
Limited choice
Restricts a user's choice, can be used on a document that collects data.
Object
Able to add an additional component, such as a graph.
Logical / Boolean
Provides only two options for the user, such as true or false.
Alphanumeric
Shows an exact number value using a decimal point, followed by numbers.
DATA COLLECTION
via email
can contain an interactive form and can be completed and returned to the sender. For example, we can receive an email from google forms and also, you can reply to the user where the statistics are put into data for them to see
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STORAGE DEVICES
Hard drive
Magnetic discs are used for data storage. These discs can spin at high speeds, and drive heads are able to read and write data.
Optical device
CD's and DVD's are used to store software and data. Files can then only be read or edited using compatible devices.
Solid state drive
Flash memory is used to store software and data files. There are no moving parts, which makes it more durable.
Flash memory device
Contain flash memory and can be read or edited using a USB port. SD cards are used in phones and cameras to store a range of data.