Basic operators

• What are operators in programming?

  Special characters that perform functions
• Why is it important to know how operators work in computer science?

  They perform essential functions in programming
• What type of operators are arithmetic operators?

  Operators that perform mathematical functions
• What do arithmetic operators take as input?

  Two values to perform a mathematical function
• What functions do addition, subtraction, multiplication, and division operators perform?

  Basic mathematical operations on numbers
• What does the exponentiation operator do?

  Raises a number to a power
• What does the DIV operator return?

  The whole number part of a division
• What does the MOD operator provide?

  The remainder of a division operation
• How do arithmetic operators handle integer division?

  They may yield odd results in some languages
• If you divide $5$ by $2$ using integer division, what result do you expect?


  $2$
• What is the result of $2 +$$8 *$$2$ using proper operator precedence?


  $18$
• What is the purpose of assignment operators?

  To assign values to constants or variables
• What does the assignment operator '=' do?

  Assigns a value to a variable
• How do programming languages typically follow the order of operations?

  By using BODMAS rules for calculations
• Why is it important to use parentheses in expressions?

  To ensure correct order of operations
• What will be the result of $(2 + 8) *$$2$?


  $20$
• What types of data do operators work with?

  Integers and real data values
• What is the significance of using operators correctly in programming?

  To ensure the code performs as intended
• What are the main types of arithmetic operators?

  • Addition
  • Subtraction
  • Multiplication
  • Division
  • Exponentiation
  • MOD
  • DIV
• What are the potential issues with using integer division in programming?

  • May yield unexpected results
  • Can lead to loss of precision
  • Requires careful handling of data types
• How do you ensure your code is performing the intended operations with operators?

  • Use parentheses for clarity
  • Follow BODMAS rules
  • Test with various inputs
• What is the role of the assignment operator in programming?

  • Assigns values to variables
  • Used to store constants
  • Essential for variable manipulation
• How do programming languages handle operator precedence?

  • Follow BODMAS rules
  • Prioritize certain operations
  • Use parentheses to override default precedence
• What is the result of $2 +$$8 *$$2$?


  18
• How do you perform the addition in $(2 + 8) *$$2$?


  Calculate $2 +$$8$ first
• What is the result of $(2 + 8) *$$2$?


  20
• What is the purpose of the assignment operator?

  • Assigns values to constants or variables
  • Used to store data for later use
• What should the name of the constant variable be?

  On total = 25
• What does the left-hand side of the assignment operator represent?

  It represents the variable receiving the value
• What does the left-hand side of the assignment operator indicate?

  It indicates the variable name
• What happens when you assign a value to a variable?

  The variable stores the assigned value
• How does the assignment operator differ from the comparison operator?

  Assignment assigns values, comparison checks equality
• What do comparison operators do?

  • Compare two values
  • Return true or false
• What is the output of a comparison operator?

  True or false
• What does the comparison operator check?

  It checks if two expressions are equal
• If a variable "age" is assigned the value 25, what does "age == 25" evaluate to?

  True
• What does the expression "age < 10" evaluate if age is 25?

  False
• What is the result of "age > 15" if age is 25?

  True
• What does "age <= 25" evaluate to if age is 25?

  True
• What does "age >= 30" evaluate to if age is 25?

  False