Constants and variables

• What are constants and variables in programming?

  Constants remain the same; variables can change
• How do constants and variables differ in programming?

  Constants do not change, while variables do
• Can data values be constants or variables?

  Yes, data values can be either
• What is linked to the name of a constant or variable?

  It is linked to a memory location
• What does the size of the memory location depend on?

  It depends on the data type
• What is a constant in programming?

  A constant is a fixed data value
• What happens if you try to change a constant's value?

  An error will be returned by the compiler
• How are constants assigned in programming?

  Using the "c" command
• How do variables differ from constants in terms of value?

  Variables can change values; constants cannot
• What is required when using data types in some languages?

  Data types must be declared
• What is the significance of naming conventions for constants and variables?

  They make code easier to read and follow
• What is the naming convention for the first letter of constants?

  It is in lowercase
• What follows the first letter in naming conventions?

  A mixture of letters, numbers, and underscores
• What happens if variables are not declared in certain languages?

  You will receive a syntax error
• What is the purpose of standard naming conventions?

  To make code easier to understand
• What is the result of not declaring variables in a required language?

  You will encounter a syntax error
• How do naming conventions affect programming?

  They enhance code clarity and maintainability
• What is the data type for 'pressure' in programming?

  It is an integer data type
• What is the data type for 'temperature' in programming?

  It is a decimal data type
• What must be declared before using data types?

  Data types must be declared beforehand
• What is the consequence of not declaring variables?

  You will receive a syntax error
• What is the purpose of declaring data types?

  To ensure proper data handling in code
• How do programming languages handle undeclared variables?

  They return a syntax error
• What is the significance of declaring variables in programming?

  It prevents errors during code execution
• What happens if you don't declare variables in a required language?

  You will encounter a syntax error
• What is the naming convention for the first letter of variables?

  It is in lowercase
• Why are naming conventions important in programming?

  They improve code readability and maintenance
• How do naming conventions affect the clarity of code?

  They enhance clarity and understanding
• What is the data type for 'pressure' in programming?

  It is an integer data type
• What is the consequence of not declaring variables in a required language?

  You will receive a syntax error
• What type of error is mentioned in the study material?

  Syntax error
• Why do programmers follow standard naming conventions?

  To make code easier to follow
• What is the recommended case for the first letter of variable names?

  Lowercase
• What should variable names not contain according to the study material?

  Spaces or start with a number
• What are the rules for naming variables in programming?

  • Start with a letter or underscore
  • No spaces allowed
  • Cannot start with a number
  • Use lowercase for the first letter
  • Avoid special characters
• How many points do athletes get for winning an event?

  5 points
• How many points do athletes get for coming second?

  2 points
• What happens if athletes do not win or come second?

  They receive 0 points
• What does the program calculate regarding points?

  The total number of points awarded
• What is the input for the number of first places in the program?

  "Number of 1st places."