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The Parking Group has requested your assistance for the implementation of the calculation of cost when vehicles exit a parking area - NSC Information Technology - Question 4 - 2022 - Paper 1

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The Parking Group has requested your assistance for the implementation of the calculation of cost when vehicles exit a parking area. 4.1 Button [4.1 - Display] Wr... show full transcript

Worked Solution & Example Answer:The Parking Group has requested your assistance for the implementation of the calculation of cost when vehicles exit a parking area - NSC Information Technology - Question 4 - 2022 - Paper 1

Step 1

Button [4.1 - Display]

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Answer

To fulfill this requirement, the following steps should be executed:

  1. Display the Heading: Write the code to display the title 'Parking System' at the top of your output.
  2. Loop Through the Arrays: Use a loop to iterate through the elements of the arrays arrRegNumbers and arrEntryTimes.
  3. Output Registration Numbers: For each entry, convert the registration numbers to a string format and display them in neat columns along with their corresponding entry times.
  4. Example Output Formatting: Ensure that the displayed data is formatted clearly in a table layout for easy readability.

Step 2

Button [4.2 - Exit parking area]

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Answer

For the exit parking area functionality, follow these steps:

  1. Extract Registration Number: Retrieve the selected vehicle's registration number from the combo box cmbQ4.
  2. Retrieve Exit Time: Get the exit time from the edit box edtQ4 and convert it to the appropriate format.
  3. Check for Validity of Exit Time: Implement a validation check to ensure the exit time is later than the entry time. If invalid, display 'Invalid exit time' in nedQ4.
  4. Calculate Time Spent in Parking: Subtract the entry time from the exit time to determine total minutes spent, and convert it to hours and minutes format.
  5. Determine Tariff: Based on the calculated time:
    • If time spent is less than or equal to 30 minutes, the tariff is free.
    • If between 31 minutes and 2 hours, set tariff to R50.00 per hour.
    • For 2 to 4 hours, assign R40.00 per hour.
    • More than 4 hours will have a tariff of R30.00 per hour.
  6. Calculate Cost: Use the formula: ext{Cost of parking} = ext{Tariff} imes ext{ceil}ig( rac{ ext{TimeSpent}}{60}ig)
    to calculate the final cost.
  7. Output the Results: Display all relevant information including registration number, entry and exit times, time spent (in hours and minutes), and the total cost in nedQ4.

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