AP AP Computer Science & Technology 3

Question 1

What does the term 'pseudocode' refer to in AP Computer Science?

Accepted Answer

An informal, high-level description of an algorithm's logic

Answer

Pseudocode is a plain-language description of an algorithm's steps, not tied to any specific programming language.

Question 2

In AP CS Principles, which of the following is an example of a heuristic?

Accepted Answer

An approximate solution strategy that is fast but may not be perfect

Answer

A heuristic is a problem-solving approach that finds a good-enough solution quickly without guaranteeing optimality.

Question 3

What is the role of an operating system on a computer?

Accepted Answer

To manage hardware resources and provide services to application software

Answer

An operating system manages CPU, memory, and storage resources and provides an interface for running applications.

Question 4

Which type of error occurs when a program runs but produces incorrect results?

Accepted Answer

Logic error

Answer

A logic error allows a program to run without crashing but produces wrong output due to flawed reasoning in the code.

Question 5

What does 'open source' software mean?

Accepted Answer

Software whose source code is publicly available for anyone to view, modify, and distribute

Answer

Open source software has publicly accessible source code that can be freely used, modified, and redistributed under a license.

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