C++ Chapter 4: Making Decisions
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Questions and Answers

What is the purpose of relational operators in C++?

  • To display output to the screen
  • To perform arithmetic operations
  • To assign values to variables
  • To compare numeric and char values to determine relative order (correct)

    • The relational operator >= represents 'Less than or equal to'.

    False

    Match the following relational operators with their meanings:

    < = Less than

    = Greater than = = Greater than or equal to <= = Less than or equal to

    Which relational operator is used to determine if a value is greater than another value?

    <p>&gt;</p> Signup and view all the answers

    What is the purpose of the relational operator >= in a C++ program?

    <p>To determine if a value is greater than or equal to another value</p> Signup and view all the answers

    Which of the following expressions is true if the value of x is 5 and the value of y is 7?

    <p>x &lt; y</p> Signup and view all the answers

    What is the result of the expression 5 >= 7 in a C++ program?

    <p>false</p> Signup and view all the answers

    Which relational operator is used to determine if a value is less than or equal to another value?

    <p>&lt;=</p> Signup and view all the answers

    What is the result of the expression 7 > 5 in a C++ program?

    <p>true</p> Signup and view all the answers

    Match the following relational operators with their meanings:

    <p>&lt; = Less than</p> <blockquote> <p>= Greater than = = Greater than or equal to &lt;= = Less than or equal to</p> </blockquote> Signup and view all the answers

    Match the following relational operators with their examples:

    <blockquote> <p>= 7 is true when compared to 5 &lt;= = 5 is true when compared to 7 = = 5 is true when compared to 5 &lt; = 5 is true when compared to 7</p> </blockquote> Signup and view all the answers

    Match the following relational operators with their usage:

    <blockquote> <p>= Determining if a value is greater than another value &lt; = Determining if a value is less than another value &lt;= = Determining if a value is less than or equal to another value = = Determining if a value is greater than or equal to another value</p> </blockquote> Signup and view all the answers

    Match the following relational operators with their opposite:

    <blockquote> <p>= &lt;= &lt; = &gt;= = = &lt; &lt;= = &gt;</p> </blockquote> Signup and view all the answers

    Match the following relational operators with their usage in C++ programs:

    <blockquote> <p>= Evaluates to true if a value is greater than another value &lt; = Evaluates to true if a value is less than another value = = Evaluates to true if a value is greater than or equal to another value &lt;= = Evaluates to true if a value is less than or equal to another value</p> </blockquote> Signup and view all the answers

    Match the following relational operators with their purpose:

    <blockquote> <p>= Comparing numeric values to determine relative order &lt; = Comparing char values to determine relative order = = Determining the relative order of numeric and char values &lt;= = Validating user input in a C++ program</p> </blockquote> Signup and view all the answers

    The relational operator >= represents 'Less than or equal to'.

    <p>False</p> Signup and view all the answers

    The expression 7 > 5 is true.

    <p>True</p> Signup and view all the answers

    Relational operators are used to assign values to variables in C++.

    <p>False</p> Signup and view all the answers

    The expression 5 >= 7 is true.

    <p>False</p> Signup and view all the answers

    The relational operator < represents 'Greater than'.

    <p>False</p> Signup and view all the answers

    The relational operator > represents 'Less than'.

    <p>False</p> Signup and view all the answers

    The relational operator > represents 'Less than'.

    <p>False</p> Signup and view all the answers

    Relational operators are used to assign values to variables in C++.

    <p>False</p> Signup and view all the answers

    The expression 7 > 5 is true.

    <p>True</p> Signup and view all the answers

    The relational operator >= represents 'Less than or equal to'.

    <p>False</p> Signup and view all the answers

    The expression 5 >= 7 is true.

    <p>False</p> Signup and view all the answers

    The relational operator < represents 'Greater than'.

    <p>False</p> Signup and view all the answers

    The relational operator > represents 'Less than'.

    <p>False</p> Signup and view all the answers

    The expression 5 >= 7 is true.

    <p>False</p> Signup and view all the answers

    Relational operators are used to assign values to variables in C++.

    <p>False</p> Signup and view all the answers

    The relational operator < represents 'Greater than or equal to'.

    <p>False</p> Signup and view all the answers

    The expression 7 > 5 is false.

    <p>False</p> Signup and view all the answers

    The relational operator >= represents 'Less than'.

    <p>False</p> Signup and view all the answers

    What is the result of the expression 5 > 7 in a C++ program?

    <p>false</p> Signup and view all the answers

    Which of the following relational operators has the same meaning as the expression 'not less than'?

    <p>&gt;=</p> Signup and view all the answers

    What is the result of the expression 7 >= 5 in a C++ program?

    <p>true</p> Signup and view all the answers

    Which of the following relational operators is used to determine if a value is less than another value?

    <p>&lt;</p> Signup and view all the answers

    What is the result of the expression 5 < 7 in a C++ program?

    <p>true</p> Signup and view all the answers

    Which of the following expressions is true if the value of x is 5 and the value of y is 7 in a C++ program?

    <p>x &lt; y</p> Signup and view all the answers

    What is the relational operator that represents 'Greater than or equal to' in C++?

    <p>&gt;=</p> Signup and view all the answers

    Which of the following expressions is true if the value of x is 7 and the value of y is 5?

    <p>x &gt; y</p> Signup and view all the answers

    What is the purpose of relational operators in C++?

    <p>To compare values and determine their relative order</p> Signup and view all the answers

    Which relational operator is used to determine if a value is less than another value?

    <p>&lt;</p> Signup and view all the answers

    What is the result of the expression 7 > 5 in a C++ program?

    <p>True</p> Signup and view all the answers

    Which of the following relational operators has the same meaning as the expression 'not greater than'?

    <p>&lt;=</p> Signup and view all the answers

    Study Notes

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

    Chapter 4: Making Decisions

    Relational Operators

    • Relational operators are used to compare numeric and char values to determine relative order.
    • The relational operators are:
      • &gt; (Greater than)
      • &lt; (Less than)
      • &gt;= (Greater than or equal to)
    • Example: The expression 5 &gt;= 7 is evaluated as false.

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    Chapter_04.ppt

    Description

    This quiz covers topics from Chapter 4 of Starting Out with C++ including relational operators, if statements, and logical operators.

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