CS39 1st Quiz

Question 1

What type of data:
Standardized

Answer 1

Structured

Question 2

What type of data:
Clearly defined

Answer 2

Structured

Question 3

What type of data:
Searchable

Answer 3

Structured

Question 4

What type of data:
Comply with a predefined format

Answer 4

Structured

Question 5

What type of data:
Do not have a predefined data model

Answer 5

Unstructured

Question 6

What type of data:
Stored in its native format or in unstructured raw formats

Answer 6

Unstructured

Question 7

What type of data:
Data based on location and geographical coordinates

Answer 7

Geospatial

Question 8

Discrete measurement, fact, or observation representing a real-world process

Answer 8

Data

Question 9

Unprocessed facts or figures

Answer 9

Data

Question 10

Created when data is analysed and usually combined with other data to extract meaning and provide context

Answer 10

Information

Question 11

Objective piece of information that is verifiable and can be proven true or false through evidence

Answer 11

Fact

Question 11

Subjective belief or judgement that reflects an individual’s thoughts, feelings, or interpretations

Answer 11

Opinion

Question 12

Choice or liking for one thing over another, influenced by personal taste and doesn’t involve a broader judgement or belief

Answer 12

Preference

Question 13

Widely accepted practice or standard

Answer 13

Convention

Question 14

Examines historical data to understand what happened

Answer 14

Descriptive Analysis

Question 15

Most common type of analytics

Answer 15

Descriptive Analysis

Question 16

Examines data to understand why something happened

Answer 16

Diagnostic Analysis

Question 17

Uses statistical models and machine learning to forecast what might happen in the future

Answer 17

Predictive Analysis

Question 18

Analytics that provides recommendations to achieve a desired outcome

Answer 18

Prescriptive Analysis

Question 19

A single repository of organisational data

Answer 19

Data Warehouse

Question 20

Integrated data from multiple sources (internal and external) and organised it around business processes

Answer 20

Data Warehouse

Question 21

Handles daily transactions in real-time, often in enterprise applications.

Answer 21

OLTP (Online Transaction Processing)

Question 22

Primarily used for data analysis and decision-making, involving complex queries on historical data stored in data warehouses.

Answer 22

OLAP (Online Analytical Processing)