Character Sets

Computer Science: OCR A Level, topic 4.1.20

Character Sets

Text data is made up of characters. Character sets allow us to store characters digitally.

Character sets

Character sets

  • Text data is made up of characters.
  • Each character is assigned its own character code.
  • A character set is a collection of all the characters that a computer recognises, along with their binary codes.
What's in a character set?

What's in a character set?

  • Character sets include:
  • Alphanumeric characters e.g. letters, numbers, and symbols.
  • Special characters e.g. new line.
Examples of character sets

Examples of character sets

  • There are two main character sets in use:
  • American Standard Code for Information Interchange.
  • Unicode.

Test yourself on Character Sets

  • What are the two main character sets?

  • What are alphanumeric characters?

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