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Data Types | Computer for GCSE/IGCSE - Class 10 PDF Download

Data Types

  • Data Types Overview
    • Data types classify data into groups based on the kind of data they represent
    • Computers use various data types to store different kinds of data in a program
  • Integer Data Type
    • Represents whole numbers, which can be positive or negative
    • Examples: 10, -5, 0
  • Real Data Type
    • Represents numbers with a fractional part, which can be positive or negative
    • Examples: 3.14, -2.5, 0.0
  • Char Data Type
    • Represents a single character like a letter, digit, or symbol
    • Examples: 'a', 'B', '5', '$'
  • String Data Type
    • Represents a sequence of characters
    • Examples: "Hello World", "1234", "@#$%"
  • Boolean Data Type
    • Represents true or false values
    • Examples: True, False

We can declare variables as follows:
Data Types | Computer for GCSE/IGCSE - Class 10

Selecting the appropriate data type for a specific scenario is crucial to guarantee accuracy and efficiency within the program.

Question for Data Types
Try yourself:
Which data type represents a single character like a letter, digit, or symbol?
View Solution

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