AP-CSP Metadata

gathering and measuring information on targeted variables in order to answer questions and evaluate outcomes

• data collection

• collaboration

• unstructured data

• big data

working together to facilitate the application of multiple perspectives and diverse talents and skills

• data collection

• collaboration

• unstructured data

• cloud computing

raw data with no connections and/or relationships among data detected - usually requires large amounts of storage

• data collection

• structured data

• unstructured data

• cloud computing

data that is organized in some fashion - uses relatively smaller storage

• big data

• structured data

• unstructured data

• cloud computing

data are figures and facts while information is data that is processed, interpreted and organized to become meaningful

• data vs. information

• Moore's law

• structured data

• relational database

the retention and retrieval of data

• data storage

• big data

• structured data

• relational database

Images can contain a geographical location of where the picture was taken. This is stored in a special area of an image file called:

• Metadata
• File name.
• Compression area.
• Alpha-channel.

The following is true about metadata:

• It is data about data.
• It is corrupted data.
• It significantly increases file sizes.

If image metadata is corrupted,

• The resulting picture is not displayed properly.
• It is easily fixed.
• Will not affect printing and displaying of the file.

The following is often stored in metadata:

• All of these.
• Colour depth
• Height and Width of an image
• Compression algorithm applied.