Chapter 18 Big Data

Question 1

What are the 5 V’s of Big data?

Answer 1

-Volume
-Veracity
-Variety
-Velocity
-Variability

Question 2

What is meant by Volume in Big data?

Answer 2

The quantity of data generated.

Question 3

What is Veracity in Big data?

Answer 3

The quality and accuracy of the data as it fluctuates wildly.

Question 4

What is the Variety in Big data?

Answer 4

The number and types of format that data can be submitted in.

Question 5

What is the Velocity in Big data?

Answer 5

The speed with which the data is generated and processed.

Question 6

What is the Variability in Big data?

Answer 6

The inconsistency within the data.

Question 7

What is the Complexity factor in Big data?

Answer 7

Linking, connecting and correcting data from multiple sources.

Question 8

What is BI (Business Intelligence)?

Answer 8

The technical architecture of systems that extract, assemble,store and access data to provide reports and analysis.

Question 9

What is Data analytics?

Answer 9

The process of collecting, organising and analysing large sets of data to discover patterns and other information which an organisation can use for its future business decisions.

Question 10

What is Data mining?

Answer 10

The process of turning raw data into information, of identifying patterns and relationships between different items. Software uses statistical algorithms to discover correlations and patterns in large datasets.