Big Data (AQA A-Level Computer Science): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Big data definition
Big data definition
Extremely large/complex datasets, hard to store/handle/analyse
Three Vs of big data
Three Vs of big data
Volume, Variety, Velocity
Volume in big data
Volume in big data
Sheer amount of data (terabytes, petabytes or larger)
Variety in big data
Variety in big data
Diverse types of data being collected
Velocity in big data
Velocity in big data
Speed at which data changes and arrives
Latency in big data
Latency in big data
Time delay between data request and data being received
Structured data
Structured data
Data that fits into database fields and records
Unstructured data
Unstructured data
Data that doesn't fit into columns and rows
Distributed processing
Distributed processing
Splitting work over several computers
Why functional programming suits big data
Why functional programming suits big data
No mutable variables, avoids side effects & concurrency issues