Variables and Constants

What are variables in computer memory?

• Named storage locations

• Fixed values

• Data types

• Program configuration settings

What type of data can variables hold?

• Strings, constants, booleans, or integers

• Variables, data types, characters, or integers

• Real numbers, program settings, characters, or strings

• Integers, real numbers, characters, or booleans

What is the purpose of declaring a variable in Pascal?

• All of the above

• To make decisions in the program

• To perform calculations

• To store data

What are constants in Pascal?

• Fixed values that can be changed

• Data types that can hold different values

• Values that are known beforehand and remain constant

• Named storage locations

When to use constants in Pascal?

• To improve code readability and maintainability

• For values that won't change

• For program configuration settings

• All of the above

What is the syntax for declaring a variable in Delphi?

• variable_name: data_type;

• const constant_name = value;

• var variable_name = data_type;

• var variable_name: data_type;

What is an example of a constant in Pascal?

• PI = 3.14159;

• is_running: boolean;

• age: integer;

• MAX_TRIES = 3;

What can we use variables for in Pascal?

• To perform calculations

• All of the above

• To store data

• To make decisions in the program

What type of values should be stored as constants in Pascal?

• Values that change frequently

• Data types that can hold different values

• Values that won't change

• Program configuration settings

What is the purpose of using variables in Pascal?

• To store data

• All of the above

• To perform calculations

• To make decisions in the program