16 Questions
What does a data type describe?
What values can be held by the item
Which type of data can be used in arithmetic operations?
Numeric data
What are the advantages of modularization in a program?
Enhances maintainability and reusability
What can be held by a string data type?
Alphabets and special characters
Which programming languages support numeric and string data types?
All programming languages
What does a variable in a program represent?
A storage location with an associated symbolic name
What is a numeric constant in computer programming?
A value that does not change
How are string constants represented in computer programming?
Within quotation marks
What is the purpose of a variable in computer programming?
To store and manipulate data during the program's execution
What does type-safety in programming languages help prevent?
Assigning values of different data types to variables
What is an identifier in computer programming?
A program component's name
What are the rules for creating identifiers in programming languages?
Excluding reserved keywords from being used as variable names
Why are variable names case-sensitive in many programming languages?
To differentiate between different variables based on case
What should variable names in programming ideally have?
Meaningful and descriptive names
What does a declaration statement provide for a variable?
The variable's data type, identifier, and initial value if needed
What is the purpose of a numeric variable in computer programming?
To hold digits and perform mathematical operations
Test your understanding of declaring and using variables, performing arithmetic operations, and understanding high-quality programs as covered in Chapter 2 of the book 'Programming Logic and Design, 10th Edition' by Farrell.
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