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WorksheetsWhat is Big Data
Total questions: 14
Worksheet time: 9mins
Most companies analyzing only very little percentage of their available data. What could be this percentage from your view point? Guess!
50%
10%
25%
1%
What would Amazon/Lazada/Shopee use Big Data for?
To store customer details
To analyse buying trends and recommend future purchases
To store payment details
To predict future company earnings
Years ago an American Scientist predicted that It is possible to build machines that can recognize or predict patterns. Such machines may eventually be fast enough to deal with large data streams in real time. Who and in which year it was predicted
1990, Peter Denning
1980, Charles Tilly
1944, Fremont Ryder
1988, John Mashey
What is the true definition of big data
huge amount of space
extremely large, diverse sets of information
unlimited speed data internet connection
small, undiverse sets of information
What are the four V's that best define Big Data?
Vacant - Victini - Volume-Validity
Volume - Velocity - Variety- Veracity
Validity - Velocity - Veracity- Volume
Varsity - Velocity - Volume- Validity
Volume is one of the characteristics of big data. What does Volume refers to?
The hard disk or server capacity it can hold
The data that can be processed
The amount of Youtube/Netflix videos that existed
The amount of data in variety of formats
Variety is a characteristic of big data. Which type of formats does Variety comes from?
Structured
Unstructured
Semi-structured
All of the above
What does Structured Data mean?
Any data with unknown form
Data that contain structured and semi-structured form
Data that can be stored, accessed and processed in the form of fixed format
What does data Velocity refers to?
Speed of Data, How fast the data coming in
speed of an internet
the volume to the city
How does Big Data benefits in manufacturing?
Helps to gathers full personal information of the employees and customers
Gather information about processes and analyze them to understand variability in production, quality issues, scrap prediction, production downtime - to be predictive
The data of Machines used in manufacturing digitised
To avoid breakdowns and down times it is possible with advanced analytics using Big Data can detect machine performance in real time in manufacturing.
True
False
What is NOT a characteristic of big data?
Volume
Variety
Vision
Velocity
What Data Analytics useful for?
To know how big the data volume is
To Generate Insights from the data to reveal patterns, trends, and associations
No use
1,000,000,000,000 bytes of data storage equals to ?
1 GB (gigabytes)
1 MB (megabytes)
1 TB (terabytes)
1 PB (petabytes)
