APCSP APCSP Program Design and Development

Question 1

Which documentation practice best helps others understand a program's purpose?

Accepted Answer

Writing comments that explain the 'why' behind complex logic

Answer

Comments explaining the reasoning behind logic help future developers (and yourself) understand design decisions.

Question 2

What is the purpose of using a development process when building a program?

Accepted Answer

To provide a structured approach that reduces errors and improves collaboration

Answer

A structured development process (plan, design, implement, test) reduces errors and helps teams collaborate effectively.

Question 3

Which best describes an incremental development strategy?

Accepted Answer

Building and testing small pieces of functionality before adding more

Answer

Incremental development involves building small, testable components and integrating them step by step to reduce complexity.

Question 4

What does it mean to 'refactor' code?

Accepted Answer

Rewrite the code to improve structure without changing its behavior

Answer

Refactoring improves code readability and structure while keeping the program's external behavior identical.

Question 5

In the AP CSP 'Explore Task,' what must students include when citing a computational innovation?

Accepted Answer

Proper citation of sources including author, title, date, and URL

Answer

The AP CSP Explore Task requires complete citations so that sources can be verified and credit is properly given.

(APCSP) AP Computer Science Principles Practice Test