AP Comp Sci A Past Exams and Study Tips

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Studying for AP Comp Sci A past exams can be overwhelming, but there are ways to make it more manageable. The College Board releases past exams every year, which can be a valuable resource for students.

These exams are a great way to assess your knowledge and identify areas where you need improvement. You can find past exams online or through your school's AP coordinator.

To make the most of past exams, it's essential to understand the format and content. The exams typically consist of multiple-choice questions, free-response questions, and programming assignments.

By familiarizing yourself with the exam format, you'll be better prepared to tackle the questions and assignments that come your way.

Here's an interesting read: Aqa Gcse Computer Science past Papers

Understanding the Course

AP Computer Science A is a more advanced college-level introductory course that's ideal for students who want to pursue careers in software engineering, web development, and design.

The course is designed for students who are already familiar with the basic approach of computer science and have a keen desire to learn more. High school students need to have their linear algebra course before opting for the AP computer science A exam.

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The course focuses on the programming language Java, which students can practice hands-on while developing programs.

Here are the 10 basic learning units that make up the AP Computer Science A course framework:

  • Unit 1: Big Idea 1 - Creative Development
  • Unit 2: Big Idea 2 - Algorithms and Programming
  • Unit 3: Big Idea 3 - Internet and Networking
  • Unit 4: Big Idea 4 - Data and Information
  • Unit 5: Big Idea 5 - Global Impact
  • Unit 6: Big Idea 6 - Computing Systems
  • Unit 7: Big Idea 7 - Data and Information
  • Unit 8: Big Idea 8 - Algorithms and Programming
  • Unit 9: Big Idea 9 - Internet and Networking
  • Unit 10: Big Idea 10 - Computing Systems

Comparing the Courses

The two AP Computer Science courses, AP Computer Science A (APCSA) and AP Computer Science Principles (APCSP), have distinct approaches to teaching computer science.

APCSA focuses on the Java programming language, whereas APCSP is language-specific.

APCSA requires prior knowledge of Java, while APCSP is designed for students with no prior knowledge of computer science.

APCSA is a more advanced course, best suited for students who enjoy coding and programming.

APCSP, on the other hand, is a non-specific programming language course, making it a good option for students who don't have a strong background in computer science.

Here's a comparison of the two courses:

Both courses have their advantages, but it's essential to note that earning college credit by passing either exam is challenging.

What Makes Up a Course?

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The AP Computer Science A course is a more advanced college-level introductory first-year computer science course that covers a range of topics, including programming languages, data structures, and algorithms.

The course is organized into 10 commonly taught units of study, which provide one possible sequence for the course. You have the flexibility to organize the course content as you prefer, whether you're a teacher or a student.

The course framework provides a description of the course requirements necessary for student success, with a focus on big ideas that encompass core principles, theories, and processes of the discipline. This framework encourages instruction that prepares students for advanced computer science coursework and its integration into various STEM-related fields.

The course covers a range of topics, including primitive types, objects and methods, wrapper classes, and iteration. It also covers class structure and keywords, arrays, ArrayLists, and 2D arrays, as well as inheritance and recursion.

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Here's a breakdown of the topics covered in the course:

  • Primitive types — manipulating variables and data types.
  • Using objects and methods.
  • Using wrapper classes and the math class.
  • Boolean expressions and if statements.
  • Iteration: while, for loops, as well as nested iteration.
  • Class structure and keywords.
  • Arrays, ArrayLists, and 2D arrays.
  • Inheritance (subclasses and superclasses)
  • Recursion — introduction to entropy, absolute entropy, and entropy change.

The course uses Java programming language and covers a range of topics that are essential for software engineering, web development, and design.

Exam Format and Structure

The AP Computer Science A exam consists of two portions, with each section making up 50% of the final scoring weightage. Section I is a multiple-choice section with 40 questions, each worth 1 point.

Students are required to fill in the bubbles with a pencil on the mark sense sheet for the correct answer. The questions in this section are machine-scored and cover topics such as code errors, predicting output, and determining input.

Section II is a free-response section with 4 questions, each worth 9 points. These questions assess knowledge of Java Syntax, including control structures, methods, classes, one- and two-dimensional arrays.

The free-response questions in Section II are scored by AP human readers and can involve writing or designing an entire class. Students should handle this portion with great care, as each question is carefully examined by multiple graders to ensure authenticity and reliability.

Here's a breakdown of the exam format and structure:

Study and Preparation

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To study and prepare for AP Comp Sci A past exams, it's essential to have foundational coding and programming skills. CodeWizardsHQ courses provide students with the skills needed to successfully complete the AP Computer Science A course.

Students who already have these skills will have an easier time making sense of the content and exams. To further prepare, self-education can help you become a confident programmer and compensate for course shortcomings.

Practice free-response questions is crucial for success. Here are some free resources to help you practice:

  • Albert.io
  • AP College Board APCSA Past Exam Questions
  • CodeHS practice problems
  • Smore’s list of APCS resources and practice tests

Step-by-Step Study Guide

To prepare for the AP Computer Science A Exam, it's essential to understand the exam format. The exam consists of two portions, each holding a 50% weightage in the final scoring calculation. The exam is divided into two sections: multiple-choice and free-response.

The multiple-choice section includes individual questions, typically 2-3 questions per set. Computational Thinking Practices 1, 2, 4, and 5 are assessed in this section, while Computational Thinking Practice 3 is not.

If this caught your attention, see: Ap Comp Sci Principles Exam Practice

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To prepare for the multiple-choice section, practice identifying the proper parameters to use when calling methods of classes that are provided to you. Pay close attention to the method descriptions and use the correct type and order of parameters when calling methods.

Here are some reliable free resources to help you practice multiple-choice questions:

  • Albert.io
  • Smore’s list of APCS resources and practice tests
  • Varsity Tutors

In addition to practicing multiple-choice questions, it's crucial to practice free-response questions. The free-response section includes four questions that assess Computational Thinking Practice 3: Code Implementation. Each question focuses on a specific skill, such as methods and control structures, classes, arrays/ArrayList, and 2D arrays.

To prepare for the free-response section, practice writing short programs and calling methods of classes that you have not seen before. Pay close attention to the method descriptions and use the correct type and order of parameters when calling methods.

Here are some reliable free resources to help you practice free-response questions:

  • Albert.io
  • AP College Board APCSA Past Exam Questions
  • CodeHS practice problems
  • Smore’s list of APCS resources and practice tests

Remember, practice is key to success on the AP Computer Science A Exam. By practicing multiple-choice and free-response questions, you'll be well-prepared to tackle the exam and achieve a high score.

When to Take

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When it's time to take the AP Computer Science A exam, you have three opportunities to do so in 2021. The exam will be administered in three sessions, including a paper-and-pencil test and two online sessions.

The paper-and-pencil test is scheduled for May 6 at 12 PM local time. This is a great option if you prefer a traditional testing experience.

You can also take the online exam on May 18 at 4 PM EDT or June 1 at 4 PM EDT. Both online sessions offer a convenient testing option if you can't make it to a paper-and-pencil test.

Here are the exam dates to keep in mind:

  • May 6, 12 PM (local) - paper-and-pencil test
  • May 18, 4 PM EDT - online test
  • June 1, 4 PM EDT - online test

Online vs In-Person

When taking a digital exam, you can't skip questions to answer only those you know. This means you'll need to adjust your study method to tackle the entire exam.

The difference between online and in-person exams is minimal, but it's worth considering. In the case of a digital exam, you can't skip questions.

You should either adjust your study method or sign up for a pen-and-paper mode instead. This will help you prepare for the exam and avoid any last-minute surprises.

For another approach, see: Ap Comp Sci a Study Guide

AP Free Resources

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If you're looking for free resources to help you prepare for the AP Computer Science A exam, you're in luck. AP College Board 2020 Sample Questions are a great place to start.

You'll also want to check out the Advanced Placement playlist on AP CS A, which can help you review key concepts and stay on top of your studying.

Books like AP Computer Science A: Course and Exam Description and Barron's AP Computer Science A Review are also excellent resources to have on hand. Head First Java is another useful book, even though it's not directly related to AP CS, it provides a beginner-friendly summary of key Java syntax points.

Some reliable online communities to join include r/AP Computer Science, r/Learn Programming, r/AP Students, and r/Java, where you can connect with other students and get help when you need it.

Here are some free practice resources to consider:

  • Khan Academy
  • AP College Board 2020 Sample Questions
  • AP College Board AP Computer Science Principles Course and Exam Description (page 172)

Test Day and Scoring

The AP Computer Science A exam is not easy to score high in, and the final scoring consists of 1-5, representing the apparent impact.

A score of 3 is considered passing, but it doesn't guarantee acceptance into a computer science primary degree.

When, Where, and How

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You'll have three hours to tackle the AP CS A Exam, which breaks down to 1 hour and 30 minutes per section. You'll have a total of 44 questions to answer.

The exam is divided into two sections, so make sure to manage your time wisely.

You'll need to answer all the questions within the given time frame, so prioritize the ones you're most confident about first.

The exam duration is a fixed 3 hours, so don't worry about running out of time.

Scoring

Scoring is a crucial part of the AP Computer Science A exam. The final scoring of the exam consists of 1-5, with a score of 3 or higher considered a passing score.

Students who score a 3 are considered passing, but it doesn't guarantee acceptance into a computer science primary degree. This emphasizes the importance of striving for a higher score.

Only 26% of students were able to score a 5 on the 2019 exam, highlighting the need for complete preparation before attempting the exam.

Frequently Asked Questions

Where can I find old AP exams?

Find old AP exams on the College Board website, where they occasionally release complete exams for student practice and review

What is the pass rate for AP Comp Sci A AP exam?

The pass rate for AP Computer Science A is 65.1%, slightly higher than the overall AP exam average.

Keith Marchal

Senior Writer

Keith Marchal is a passionate writer who has been sharing his thoughts and experiences on his personal blog for more than a decade. He is known for his engaging storytelling style and insightful commentary on a wide range of topics, including travel, food, technology, and culture. With a keen eye for detail and a deep appreciation for the power of words, Keith's writing has captivated readers all around the world.

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