Big Data and Hadoop Quiz

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Questions and Answers

What are the three types of digital data mentioned in the text?

Unstructured data, Semi-Structured data, Structured data

What is an example of semi-structured data mentioned in the text?

XML, markup languages like HTML, JSON, YAML

What percentage of an organization's data is typically unstructured data?

About 80-90%

What was the era of mainframes and primitive, structured data?

<p>1970s and before</p> Signup and view all the answers

What are the types of data that can be analyzed with Hadoop according to the text?

<p>Texts or numbers written on papers, bytes and bits inside electronic devices, and facts stored in a person’s mind</p> Signup and view all the answers

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Study Notes

Types of Digital Data

Digital data is categorized into three types: structured, semi-structured, and unstructured data.

Semi-Structured Data

An example of semi-structured data is JSON (JavaScript Object Notation), which has organizational properties but lacks a fixed schema.

Unstructured Data Percentage

Typically, unstructured data constitutes about 80% of an organization's total data.

Era of Mainframes

The era of mainframes was characterized by the use of primitive, structured data, typically involving basic data processing systems.

Data Types Analyzed with Hadoop

Hadoop can analyze various types of data including structured data, unstructured data, and semi-structured data, enabling diverse data processing and analytics.