C# Data Types Quiz

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Questions and Answers

Which data type is suitable for storing whole numbers from -2147483648 to 2147483647?

  • float
  • double
  • int (correct)
  • long

Which data type represents numbers with a fractional part?

  • int
  • long
  • float (correct)
  • double

What is the range of values that the long data type can store?

  • From -9223372036854775808 to 9223372036854775807 (correct)
  • From -2147483648 to 2147483647
  • From -3.4e38 to 3.4e38
  • From -1.7e308 to 1.7e308

Which data type is the preferred choice for creating variables with a numeric value?

<p>int (B)</p> Signup and view all the answers

What is the main purpose of using the correct data type for a variable in C#?

<p>To avoid errors, save time and memory, and make the code more maintainable and readable (C)</p> Signup and view all the answers

Which data type is used to store whole numbers, positive or negative, without decimals in C#?

<p>int (D)</p> Signup and view all the answers

Which data type represents numbers with a fractional part in C#?

<p>double (A)</p> Signup and view all the answers

What is the range of values that the long data type can store in C#?

<p>$-9223372036854775808$ to $9223372036854775807$ (C)</p> Signup and view all the answers

Which data type is commonly preferred when creating variables with a numeric value in C#?

<p>int (B)</p> Signup and view all the answers

What is the purpose of using the correct data type for variables in C#?

<p>To save time and memory (B)</p> Signup and view all the answers

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