2.0 (b) Approach in Problem Solving

A program is designed to calculate the average of three test scores.
What is the input?

• The calculated average

• The three test scores entered by the user

• The formula for the average calculation

• The message displaying the result

A vending machine accepts coins, calculates the total value, and dispenses the selected item.
What is the process?

• Accepting coins

• Dispensing the item

• Calculating the total value of the coins

• Returning change

A temperature conversion program converts Celsius to Fahrenheit.
What is the output?

• The input temperature in Celsius

• The converted temperature in Fahrenheit

• The formula for conversion

• The process of taking input

A library management system allows users to search for books by title and shows the book’s availability.
What is the input?

• The availability of the book

• The title entered by the user

• The search result

• The library database

A program calculates the area of a rectangle when the user provides the length and width.
What is the process?

• Displaying the area of the rectangle

• Taking the input length and width

• Calculating area using length × width

• Saving the rectangle dimensions

A program takes a person’s name and age and displays their eligibility to vote (age ≥ 18).
What is the output?

• The person’s name

• The voting eligibility

• The person's age

• The input validation process

A payroll system calculates employees’ monthly salaries based on their working hours and hourly rates.
What is the input?

• The monthly salary

• The hourly rate and total working hours

• The payroll calculation formula

• The payment slip

A simple ATM system lets users withdraw cash after verifying their PIN and checking their account balance.
What is the process?

• Verifying the user's PIN

• Printing the receipt

• Dispensing the cash

• Asking the user to re-enter the PIN

A weather app takes a city's name and shows the current temperature.
What is the input?

• The current temperature

• The city's name entered by the user

• The weather data from the server

• The forecast for the next week

An online calculator takes two numbers and an operation (e.g., addition) and displays the result.
What is the output?

• The two numbers entered by the user

• The calculation formula

• The calculated result of the operation

• The operation type