Programming Basics Quiz

What is a variable in programming?

• A fixed value that cannot change during program execution.

• A named memory location that can hold different values over time.

• A type of error that occurs during program execution.

• A comment that explains code functionality.

Which of the following is a valid identifier for a variable?

• 1stVariable

• variable-name

• hourlyWage

• total$Amount

What is the purpose of a named constant?

• To store temporary data during program execution.

• To hold a value that can change throughout the program.

• To assign a value that will not change during program execution.

• To create an error message.

Which arithmetic operator has the highest precedence?

• Addition (+)

• Subtraction (−)

• Multiplication (*)

• Division (/)

What does it mean to 'initialize' a variable?

• To declare a variable without assigning it a value.

• To assign a starting value to a variable at the time of declaration.

• To delete a variable from memory.

• To change the data type of a variable.

Why is it important to use meaningful names for variables?

• It reduces the amount of code needed.

• It makes the code harder to read.

• It helps in understanding the purpose of the variable in the code.

• It allows for faster execution of the program.

What is 'echoing input’ in programming?

• Displaying an error message when input is invalid.

• Repeating the user's input back to them after they provide it.

• Storing input data in a database.

• Ignoring user input entirely.

List two features of good program design.

Describe what is meant by 'mainline logic' in procedural programming.

Explain the difference between a numeric constant and a string constant.