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Unary and Increment/Decrement Operators
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Unary and Increment/Decrement Operators

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Questions and Answers

Which data type is represented by the format specifier %u in C programming?

  • Signed integer
  • Long integer
  • Short integer
  • Unsigned integer (correct)
  • What is the purpose of a character constant in C programming?

  • Represents a string of characters
  • Represents a variable that changes during execution
  • Represents a long double value
  • Represents a constant enclosed in single quotes (correct)
  • In C programming, which entity remains constant throughout the execution?

  • Integer constant
  • Variable
  • Character constant
  • String constant (correct)
  • What is the correct format for representing a floating-point constant in C?

    <p>%f</p> Signup and view all the answers

    Which type of constant in C is enclosed in double quotes?

    <p>String constant</p> Signup and view all the answers

    What does the format specifier %hu represent in C programming?

    <p>Unsigned short integer</p> Signup and view all the answers

    What is the value of count after applying the postfix increment operator to count when it was initially 5?

    <p>6</p> Signup and view all the answers

    If a is 12 and b is 8, what will be the result of the expression (a >= b)?

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

    What will be the value of count after applying the decrement operator to count if its initial value was 17?

    <p>16</p> Signup and view all the answers

    If a = 5 and b = 3, what is the result of the expression (a < b)?

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

    Assuming count is initially 10, what will be the value of count after applying the unary minus operator?

    <p>-10</p> Signup and view all the answers

    If a = 7 and b = 7, what does the expression (a > b) evaluate to?

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

    What is an operand in programming?

    <p>An entity on which an operation is to be performed</p> Signup and view all the answers

    Which of the following is an example of a unary operator?

    <ul> <li></li> </ul> Signup and view all the answers

    In the expression a * b, what does the * represent?

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

    If a = 7 and b = 3, what is the result of the expression a % b?

    <p>0</p> Signup and view all the answers

    What type of operator requires two operands?

    <p>Relational operator</p> Signup and view all the answers

    Which operator requires only one operand?

    <ul> <li></li> </ul> Signup and view all the answers

    Study Notes

    Format Specifiers

    • The format specifier %u represents an unsigned integer in C programming.

    Constants

    • A character constant in C programming has a specific purpose, which is to represent a single character.
    • In C programming, a constant entity remains constant throughout the execution.
    • A floating-point constant in C is correctly represented in the format -digit.digit or -.digit.
    • A string constant in C is enclosed in double quotes.

    Operators

    • The format specifier %hu represents an unsigned short integer in C programming.
    • The postfix increment operator increments the value of a variable after its value is used in an expression.
    • The unary minus operator changes the sign of a value.
    • The &amp; operator is used for bitwise AND operation.
    • The &gt; operator is used for greater than comparison.
    • The &lt; operator is used for less than comparison.

    Operands

    • An operand in programming is a value that is operated on by an operator.
    • Examples of unary operators include increment, decrement, and unary minus operators.
    • The * operator represents multiplication in the expression a * b.
    • The % operator represents the modulus operator, which returns the remainder of the division.

    Operator Classification

    • A binary operator requires two operands.
    • A unary operator requires only one operand.

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    Description

    This quiz covers the unary plus, unary minus, increment (++) and decrement (--) operators in programming. Learn how to use these operators with examples like +count, -count, ++count, and --count.

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