5.1 The travel agency uses the interface below as a booking form for holiday accommodation - NSC Information Technology - Question 5 - 2017 - Paper 2

Verified data is the information that a user confirms is correct or has been accurately entered. This process often involves checks to ensure that the data aligns with existing criteria or data sets.

The proposed input component, such as a combo box or radio button, offers a controlled environment for data entry. This limits user input to predefined choices, thereby minimizing the risk of invalid entries and ensuring that the data conforms to the expected types.

A logical error occurs when a program runs successfully but produces incorrect results or output due to flaws in its logic or reasoning, rather than syntax errors.

In the statement, replace x with 'counter1' and y with '2' to correctly store the total for each month, resulting in: arrVisitors[counter1, 2] = total.

This statement must be inserted between lines 6 and 7 of the algorithm, as it is where calculations are finalized.

To determine the total number of visitors, modify lines 2 to 5 to iterate through both parks and sum their visitors accordingly.

1. For counter1 ← 1 to 12
2. total ← 0
3. For counter2 ← 1 to 2
4. total ← total + arrVisitors[counter1, counter2]
5. End inner loop

To swap the values for 'Fun park' and 'Animal park' in May, the pseudocode would be:

temp ← arrVisitors[5, 1]
arrVisitors[5, 1] ← arrVisitors[5, 2]
arrVisitors[5, 2] ← temp

OOP refers to Object-Oriented Programming, a programming paradigm based on the concept of 'objects', which can contain data and code to manipulate that data.

The constructor method is crucial for instantiating an object. It initializes new objects with specific attributes and prepares them for use.

It is unnecessary to have 'numberOfDays' as a separate attribute because this value can be computed from other attributes such as 'startDate' and 'endDate'.

Declaring 'calcDays()' as a private method restricts access to the method from outside the class, ensuring that only the class itself can manipulate or call it, which enhances data security.

The setStartDate method is necessary to modify the starting date after the object's creation. It allows for flexibility in setting booking dates, which may vary.

The toString() method is designed to provide a string representation of the object, which consolidates and presents all attributes in a single, readable format.