DS: Chapter 2

How many data type available?

• 3

• 2

• 1

• 4

What is Structure data?

• It’s formatted into systems that have a regular design, fitting into set rows, columns, and table

• Has no set organization and doesn’t fit into a defined framework

• Combination of structured and unstructured data

What is the advantage of having Structure data?

• Easy Access

• •Useful for Machine Learning

• •Simple Data Mining

• Easy scalability

Which of the following is incorrect about the disadvantage of structure data.

• Limited Flexibility

• Limited storage options

• Hard to analyse

• Lack of  specialized tools

Secure data management is indicate that it can keep the customer information safe even in case of data breach

• True

• False

Limited Flexibility indicate that it is hard to access the data.

• True

• False

Which of the following is the Advantage of Unstructured Data.

• Native format

• Fast data collection

• Better insight

• Secure data management

Data Collection is the process of gathering the quantitative and NOT qualitative information.

• True

• False

Data is often collected from multiple sources and usually  using a set of standard validated techniques.

• True

• False

What is the 2 main method of data collection?

• Primary data collection

• Secondary data collection

• Thirdly data collection