JSON Quiz

JSON Basics

• JSON stands for JavaScript Object Notation.
• It is a lightweight data interchange format that is easy for humans to read and write, and easy for machines to parse and generate.

Data Types in JSON

• JSON can represent several data types including:
  • Strings
  • Numbers
  • Booleans (true/false)
  • Arrays
  • Objects
  • Null

Uses of JSON

• Commonly used for data exchange between a server and a web application.
• Typically employed in APIs and web services for transmitting structured data.

Characteristics of JSON

• JSON is language-independent, making it versatile across different programming environments.
• Data is represented as key-value pairs, enhancing clarity and usability.

Representing Data in JSON

• An array of fruits in JSON is correctly represented as:

  ["apple", "banana", "cherry"]
  

• It is enclosed in square brackets, with individual items separated by commas.

File Format

• The file format used to represent data in JSON is a plain text file, typically with a ".json" extension.

Key Representations in JSON

• In the example JSON format:
  • The 'questions' key holds an array of question items, organizing the content hierarchically.
  • The 'info' key typically includes metadata or additional information relevant to the content represented.

Test your knowledge of JSON with this quiz! Explore the uses of JSON, its acronym, and the data types it can represent. See how well you know this popular data interchange format.