d. Applied Task

🧑‍💻 VCE Software Development – Student Task Sheet

Unit 3 Outcome 1 – Naming Conventions, Internal Documentation, Debugging and Testing

You are part of a development team creating a school event booking system.

The software allows students to:

The project will be maintained by multiple programmers over time.

(6 marks)

A section of code from the system is shown below.

int x = 3;
double y = 12.50;
double z = x * y;
Console.WriteLine(z);

a. Rename all variables using camel case so that their purpose is clear.

(3 marks)

b. Rename the same variables using Hungarian notation.

(3 marks)

(4 marks)

Explain two reasons why consistent naming conventions are important when developing software in a team environment.

Your response should refer to:

(6 marks)

The following code calculates and displays the total cost of tickets.

int ticketCount = 4;
double ticketPrice = 15.00;
double total = ticketCount * ticketPrice;
Console.WriteLine("Total cost: $" + total);

a. Add a header comment for this program.

Your comment should include:

(3 marks)

b. Add two internal comments that explain or justify the code logic.

Avoid comments that simply repeat what the code does.

(3 marks)

(4 marks)

The system will later be extended to:

a. Write two placeholder comments indicating where these future features will be added.

(2 marks)

b. Explain why placeholder comments are useful during software development.

(2 marks)

(5 marks – Section C style)

A student claims:

"Internal documentation is unnecessary because it does not affect how fast the program runs."

Explain why this statement is incorrect.

Your answer should refer to:

🧠 Examiner-style Marking Guidance

High-scoring responses will:

Use correct terminology: camel case, Hungarian notation, readability, maintainability
Avoid vague statements such as "makes it better"
Explain why, not just what
Clearly distinguish between code functionality and code maintenance