Mastering Operators in Epi Info™

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Questions and Answers

Which type of operators are evaluated first in an expression?

  • Arithmetic operators (correct)
  • Logical operators
  • Comparison operators
  • Parentheses

What is the purpose of parentheses in an expression?

  • To evaluate comparison operators
  • To override the order of precedence (correct)
  • To evaluate arithmetic operators
  • To evaluate logical operators

In what order are operators from different categories evaluated?

  • Logical operators, arithmetic operators, comparison operators
  • Logical operators, comparison operators, arithmetic operators
  • Comparison operators, arithmetic operators, logical operators
  • Arithmetic operators, comparison operators, logical operators (correct)

What is the purpose of operator precedence?

<p>To determine the order of evaluation in an expression (B)</p> Signup and view all the answers

In what order are comparison operators evaluated?

<p>Left-to-right (D)</p> Signup and view all the answers

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