Module 1 lecture 2

Question 1

Data:

Answer 1

Raw facts that describe the characteristics of an event or object.

Question 2

Structured data:

Answer 2

Stored in traditional database or spreadsheet.

Question 3

Human-generated data:

Answer 3

Data that humans in interaction with computers generate.

Question 4

Unstructured data:

Answer 4

Data that is not stored in a logical organized way.

Question 5

Machine-generated data:

Answer 5

Created by a machine without human intervention.

Question 6

Information:

Answer 6

Data converted into a meaningful and useful context.

Question 7

Descriptive analytics:

Answer 7

Techniques that describe past performance and history.

Question 8

Predictive analytics:

Answer 8

Techniques that extract information from data and use it to predict future trends and identify behavioral patterns.

Question 9

Prescriptive analytics:

Answer 9

Techniques that create models indicating the best decision to make or course of action to take.

Question 10

Four upheavals of shopping order:

Answer 10

Sears catalog (1888), department store, shopping mall (WW2), then online shopping (1990).

Question 11

5-6 trillion _______ in modern computers.

Answer 11

Transistors

Question 12

The Sears catalog was made possible by:

Answer 12

Mail service, transportation infrastructure, and shipping services.

Question 13

Department stores were made possible by:

Answer 13

Steel, urbanization.