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Programming Logic and Design: Variables and Modularity
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Programming Logic and Design: Variables and Modularity

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Questions and Answers

What is the purpose of a declaration statement in programming?

  • To initialize the variable with a starting value
  • To classify what values can be held by the item
  • To provide a data type and an identifier for a variable (correct)
  • To perform arithmetic operations
  • What is an identifier in programming?

  • An unknown value of a variable
  • A classification that describes what values can be held by the item
  • A program component's name (correct)
  • A statement that provides a data type and an identifier for a variable
  • What does a numeric constant (literal numeric constant) represent in programming?

  • An unknown value of a variable
  • A statement that provides a data type and an identifier for a variable
  • A classification that describes what values can be held by the item
  • A fixed numeric value used in the program (correct)
  • What is the purpose of initializing a variable in programming?

    <p>To assign a starting value to the variable</p> Signup and view all the answers

    Why is it important to choose reasonable and descriptive names for variables in programming?

    <p>To enhance code readability and understandability</p> Signup and view all the answers

    Which of the following accurately describes a data type in programming?

    <p>It defines the size of a variable in computer memory</p> Signup and view all the answers

    What is the purpose of naming variables descriptively in programming?

    <p>To make the program more readable and understandable</p> Signup and view all the answers

    What is the significance of the 'initialization' of a variable in programming?

    <p>It assigns a starting value to the variable</p> Signup and view all the answers

    What does a 'literal constant' represent in programming?

    <p>A value that cannot be changed during program execution</p> Signup and view all the answers

    Why do programming languages have rules for creating identifiers?

    <p>To prevent the use of reserved keywords as variable names</p> Signup and view all the answers

    An identifier is a program component’s ______

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

    A ______ is a classification that describes what values can be held by the item

    <p>data type</p> Signup and view all the answers

    Most programming languages allow ______ and digits in variable names

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

    A ______ is a statement that provides a data type and an identifier for a variable

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

    Figure 2-2 shows a flowchart and pseudocode of ______

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

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