Ap comp sci a

AP ® Computer Science A 2021 Free-Response Questions (a) Write the WordMatch method scoreGuess. To determine the score to be returned, scoreGuess finds the number of times that guess occurs as a substring of secret and then multiplies that number by the square of the length of guess. Occurrences of guess may overlap within secret. Similarly, we can use bracket notation to access and assign items: DISPLAY(list[1]) list[1] ← 55. ⚠️ There's a big difference between the AP CSP exam pseudocode and the JavaScript code: the list indices start at 1. That code above displays the first item in the list, not the second. Follow the directions on the screen for each component. For the "Program Code" component, you’ll upload a file. Click Upload New and select the correct file from your computer. Remember: Until you submit the file as final, you can go back and replace it with an updated file. For the "Video" component, you’ll also upload a file.Yes. No. No previous experience with coding is required. While programming is taught in the course, it’s only one of the many aspects of computing that you’ll learn.This unit makes up 2.5%-5% of the AP Computer Science A exam. While this is not a significant portion of the exam, the topics covered in this unit are ESSENTIAL to succeeding in this course. AP Computer Science A (or AP CSA for short) is a course that builds on previous topics covered, so make sure you know this unit inside and out, and …Apr 26, 2023 ... Are you cramming for the AP CS A Exam? You're in the right place! Get AP Computer Science A exam practice with this helpful video that ...Are you a fan of science fiction movies? Do you enjoy immersing yourself in fantastical worlds and mind-bending narratives? If so, you’re in for a treat. In this article, we have c...This question tested the student’s ability to: Write program code to create objects of a class and call methods. Write program code to satisfy methods using expressions, conditional statements, and iterative statements. Write program code to create, traverse, and manipulate elements in 2D array objects. Scoring guidelines for the Create performance task written response prompts will be unique every year and are not provided in advance. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at [email protected]. First, download the AP Computer Science Principles Cheatsheet PDF - a single sheet that covers everything you need to know at a high level. Take note of your strengths and weaknesses! We've put together the study plan found below to help you study between now and May. This will cover all of the units and essay types to prepare you for …AP Comp Sci 2015 A answers. Teacher 31 terms. Jackypaper. Preview. Comp sci Practice Attempt - 2020 Practice Exam 1 MCQ. 66 terms. Emruane. Preview. Printing Text in Python. 11 terms. Landon_Vanslyke. Preview. pltw vocab 1.1 and 1.2. 6 terms. averygenin7. Preview. PL-100 Behaviors in Power Apps. 5 terms.43.1 Median age. a little higher than the figure in Stark County: 41.8. about 10 percent higher than the figure in Ohio: 39.6. Population by age range. 11%† 0-913%† 10-1914%† 20 … The topics of the AP Computer Science Principles Exam are grouped into five Big Ideas. Big Idea 1: Creative Development. Topics may include: collaboration, program functions and purpose, program design and development, and identifying and correcting errors. Big Idea 2: Data. Topics may include: binary numbers, data compression, extracting ... 2018 AP ® COMPUTER SCIENCE A FREE-RESPONSE QUESTIONS 1. This question involves reasoning about a simulation of a frog hopping in a straight line. The frog attempts to hop to a goal within a specified number of hops. The simulation is encapsulated in the following . FrogSimulation class. You will write two of the methods in this class. GO ON …If you’re ever injured at work, you may find yourself taking advantage of workman’s comp. This compensation can help pay for any medical treatment you need, and it may even help yo...Apr 25, 2021 ... Welcome to the first part of the AP Computer Science A Series! This is a series focused on teaching the concepts required to do well on the ...AP Computer Science A is an introductory college-level computer science course. Students cultivate their understanding of coding through analyzing, writing, and testing code as …Aug 18, 2023 · 40 Questions | 1 Hour 30 Minutes | 50% of Exam Score. The MCQ section will mostly be individual questions, with 1-2 sets of two questions each. Computational Thinking Practices 1, 2, 4, and 5 will be tested on the MCQ section. Free Response. 4 Questions | 1 Hour 30 Minutes | 50% of Exam Score. Question #1: Methods and Control Structures. 4. This question involves manipulating a two-dimensional array of integers. You will write two static methods of the ArrayResizer class, which is shown below. public class ArrayResizer { /** Returns true if and only if every value in row r of array2D is non-zero. Precondition: r is a valid row index in array2D. CSP 2020 Sample D AP Computer Science Principles: 2020 Create Task Student Sample D. 3a. The video illustrates the beginning of our digital air hockey game. The purpose of our program is to provide enjoyable entertainment to solitary players. Many players want to be able to play video games by themselves but find it impossible due to the design ...An FPO/APO address is an official address used to send mail to a person stationed overseas while serving in the United States military. FPO stands for Fleet Post Office. APO stands...AP COMP SCI MIDTERM. Get a hint. Assuming that scan is a properly initialized Scanner Varibale, Which of the following correctly inputs a String? String val = scan.nextValue (); String val = scan.nextInt (); String val = scan.nextDouble (); String val = scan.nextLine (); Click the card to flip 👆. String val = scan.nextLine ();This unit makes up 2.5%-5% of the AP Computer Science A exam. While this is not a significant portion of the exam, the topics covered in this unit are ESSENTIAL to succeeding in this course. AP Computer Science A (or AP CSA for short) is a course that builds on previous topics covered, so make sure you know this unit inside and out, and …The most challenging part of this year’s AP CSA Exam was Q4 (2D Array). 13% of students earned perfect scores of 9/9 points possible on this question. 29% of students earned 0/9 points. Skill 3A (Write program code to create objects of a class and call methods): 30% of students earned this point. Skill 3C (Write …The syllabus must include an explicit statement that at least 20 hours of in-class instructional time is spent in computer-based lab experiences. Java Concepts: AP® Edition (JC), Cay Horstmann, 5th Edition, 2008, John Wiley & Sons, Inc. CR1. AP Computer Science Study Guide (APSG), Frances P. Trees, 4th Edition, 2006, John Wiley & Sons, Inc.The AP Computer Science A course focuses on computing skills related to programming in Java. Computer Science A. Computer Science Principles. Curricular Focus. Problem solving and object-oriented programming. Big ideas of computer science (including algorithms and programming) Programming Language. Java. Teachers choose the … Similarly, we can use bracket notation to access and assign items: DISPLAY(list[1]) list[1] ← 55. ⚠️ There's a big difference between the AP CSP exam pseudocode and the JavaScript code: the list indices start at 1. That code above displays the first item in the list, not the second. In today’s fast-paced business environment, staying ahead of the competition requires finding innovative ways to streamline operations and increase productivity. One area that ofte...4. This question involves manipulating a two-dimensional array of integers. You will write two static methods of the ArrayResizer class, which is shown below. public class ArrayResizer { /** Returns true if and only if every value in row r of array2D is non-zero. Precondition: r is a valid row index in array2D.Avoid writing repeated code. III. Make our code reusable. Study with Quizlet and memorize flashcards containing terms like What is the output of the following code? def quadruple_number (x): quad_x = 4 * x print (quad_x) x = 5 quadruple_number (x) 10 15 20 no output, there is a syntax error, Why do we write functions?What Is AP Computer Science Principles? AP Computer Science Principles introduces students to foundational concepts of computer science and challenges them to explore … Samples of the performance tasks with student responses and commentary are available on the AP CSP Exam page. The written response prompts for the 2024 exam and beyond will be different from what is represented in these samples. The topics of the AP Computer Science Principles Exam are grouped into five Big Ideas. Big Idea 1: Creative Development. Topics may include: collaboration, program functions and purpose, program design and development, and identifying and correcting errors. Big Idea 2: Data. Topics may include: binary numbers, data compression, extracting ... 1. Know the format of the exam. The AP® Computer Science A exam is 3 hours long and consists of two sections: multiple-choice and free-response. On the multiple-choice section, you have 1 hour and 30 minutes to answer 40 questions. For the free-response section, you have 1 hour and 30 minutes to answer 4 … Big Idea 5: Impact of Computing. You’ll examine the effects computing has had on societies, economies, and cultures and consider the legal and ethical responsibilities of programmers. Topics may include: The digital divide. Computing bias. Safe computing. On the Exam. 21%−26% of exam score. Credit and Placement. An AP Scholar with Distinction is a student who received an average score of 3.5 on all Advanced Placement exams taken and a score of 3 or higher on five or more exams. The AP Scho... AP Computer Science Principles Create Performance Task Terminology (in order of appearance in the scoring guidelines) Input: Program input is data that are sent to a computer for processing by a program. Input can come in a variety of forms, such as tactile (through touch), audible, visual, or text. An event is associated with an action and ... AP Computer Science Principles is an introductory college-level computing course that introduces students to the breadth of the field of computer science. Students learn to …1. Know the format of the exam. The AP® Computer Science A exam is 3 hours long and consists of two sections: multiple-choice and free-response. On the multiple-choice section, you have 1 hour and 30 minutes to answer 40 questions. For the free-response section, you have 1 hour and 30 minutes to answer 4 questions.AP Cram Sessions 2021. AP Computer Science A PDF Cheat Sheet & Review Chart. 1 min read. •. A. written by Aaron Cope. AP Computer Science A Cram Unit 1: Primitive Types. T. written by Takeisha Moranza.AP®︎ Computer Science Principles (AP®︎ CSP) | Khan Academy. AP®︎/College Computer Science Principles 10 units · 65 skills. Unit 1 Digital information. Unit 2 The …AP® Computer Science A2022 Scoring Guidelines. Applying the Scoring Criteria Apply the question scoring criteria first, which always takes precedence. Penalty points can only be deducted in a part of the question that has earned credit via the question rubric. No part of a question (a, b, c)💻 Previous Exam Prep study guides written by former AP Comp Sci A students to review Previous Exam Prep with detailed explanations and practice questions. ... AP CSA: Unit 2 and 3 Review. november 11, 2020. Tejas Bhartiya. Resources. 📑 Summary ⏳ Timestamps. We will cover Units 2 and 3 of the AP CSA curriculum. Previous.Apr 13, 2020 ... This video part 1 of the full in-depth review of AP Computer Science A Unit 5: Writing Classes! In this video, I will go over review for ... AP Computer Science Principles. Successful completion of Algebra I is highly recommended. A home computer is not needed, and schools are required to provide students with access to computing devices to complete the course. You do not need to have prior computer science knowledge or experience. Answering free-response questions from previous AP Exams is a great way to practice: it allows you to compare your own responses with those that have already been evaluated and scored. Go to the Exam Questions and Scoring Information section of the AP Computer Science A Exam page on AP Central to review the …Nov 10, 2016 · In 2016, 64.3% of students who took the AP Computer Science A exam received a score of 3 or higher. Only 20.7% of students received the top score of 5, while 23.1% scored a 1 on the exam. Most students did better on multiple-choice questions than they did on free-responses. Keep in mind, credit and advanced standing based on AP scores varies ... The topics of the AP Computer Science Principles Exam are grouped into five Big Ideas. Big Idea 1: Creative Development. Topics may include: collaboration, program functions and purpose, program design and development, and identifying and correcting errors. Big Idea 2: Data. Topics may include: binary numbers, data … Both courses: Provide a solid introduction to programming content and skills. Drive interest and continuing studies in the field of computer science. Require familiarity with concepts from Algebra 1. Do not require any computer science or coding experience. Compare the Courses. 🌶️ AP Comp Sci A Cram Review: Unit 3: Boolean Expressions and if Statements. Previous Exam Prep. Introduction to CSP and Unit 1 Overview. written by Rachel Yuan. Introduction to AP CSA and Unit 1 Review. written by Tejas Bhartiya. AP CSA: Unit 2 and 3 Review. written by Tejas Bhartiya.Students can develop any program they choose (e.g., an app, a game, art design, etc.) with their choice of programming language to meet all the criteria in the Create performance task. A list of suggested programming languages is provided in the Instructional Approaches section of the AP Computer Science Principles Course …Samples of the performance tasks with student responses and commentary are available on the AP CSP Exam page. The written response prompts for the 2024 exam and beyond will be different from what is represented in these samples. AP Central. Home; About AP. AP at a Glance; Start and Expand Your AP Program; Explore AP by Role; 2023-24 AP School ...The Course at a Glance provides a useful visual organization of the AP Computer Science Principles curricular components, including the following: Big ideas, along with approximate weighting. Progression of topics within each big idea. Spiraling of practices across big ideas.AP Computer Science A Unit 2 Progress Check: MCQ Part A. 15 terms. DaDerpyDouglas. Preview. AP COMP SCI__UNIT 5 PROGRESS CHECK: MCQ PART B. Teacher 12 terms. LORELEI_BINFORD. Preview. Math 157 Final. 7 terms. addshep11. Preview. ARF. 15 terms. giuliadiesse. Preview. Chapter 5 - Procedural Coding: CPT and HCPCS.Big Idea 5: Impact of Computing. You’ll examine the effects computing has had on societies, economies, and cultures and consider the legal and ethical responsibilities of programmers. Topics may include: The digital divide. Computing bias. Safe computing. On the Exam. 21%−26% of exam score. Credit and Placement.Students were given a class, Book, and asked to design a subclass called Textbook. The Book class contained the title and the price of the book and accessor methods for this information. In implementing a solution, students were expected to demonstrate an understanding of class constructor and method header syntax.🌶️ AP Comp Sci A Cram Review: Unit 3: Boolean Expressions and if Statements. Previous Exam Prep. Introduction to CSP and Unit 1 Overview. written by Rachel Yuan. Introduction to AP CSA and Unit 1 Review. written by Tejas Bhartiya. AP CSA: Unit 2 and 3 Review. written by Tejas Bhartiya.2018 AP ® COMPUTER SCIENCE A FREE-RESPONSE QUESTIONS 1. This question involves reasoning about a simulation of a frog hopping in a straight line. The frog attempts to hop to a goal within a specified number of hops. The simulation is encapsulated in the following . FrogSimulation class. You will write two of the … AP Computer Science Principles students use the AP Digital Portfolio to submit their three Create performance task components: Program Code, Video, and Personalized Project Reference. April 30, 2024, 11:59 p.m. ET is the deadline for students to submit all three Create performance task components as final. If you’re a business owner, you may be wondering what the laws are pertaining to workman’s comp insurance. It’s better to have a firm understanding of these laws then face penaltie... AP CSP vocabulary. Google Classroom. The AP Computer Science Principles exam introduces a wide range of topics across the field of computer science. This review highlights terminology from the big ideas that are new to most students and includes links to more in-depth explanations. Study guide and exam review for Unit 1: Primitive TypesAPCSA curriculum in Javaap csa unit 1 ️ Great AP CSA Exam Review Book: https://amzn.to/3RGN8ii ⬅️🪐 Fu...This is the secure web application where you’ll digitally submit work for AP Art and Design, AP Seminar, AP Research, and AP Computer Science Principles. Sign in using the …Are you a fan of science fiction movies? Do you enjoy immersing yourself in fantastical worlds and mind-bending narratives? If so, you’re in for a treat. In this article, we have c...Ap Comp - Sci A - Unit 3 Review. Which of the following statements is true? - There can only be one else-if statement in an if-else if statement. - An if- else if statement must always have an else clause. - An if- else if statement cannot have an else clause. - An if- else if statement must always start with an if statement.Feb 6, 2024 · With our score calculator, you can learn what you’ll need to score a 3, 4, or 5. AP® score calculators are a great way to motivate yourself when you’re studying. You can quickly realize how close you may be to getting the score you want. We recommend you run our calculator regularly in your AP® exam prep, so you can understand where you ... The AP Computer Science Principles Exam will be a multiple-choice, paper and pencil exam. The two performance tasks require students to explore the impacts of computing and create computational artifacts through programming. Explore – Impact of Computing Innovations | 8 hours (classroom time) | 16% of assessment score. 4. This question involves manipulating a two-dimensional array of integers. You will write two static methods of the ArrayResizer class, which is shown below. public class ArrayResizer { /** Returns true if and only if every value in row r of array2D is non-zero. Precondition: r is a valid row index in array2D. 1. Thisquestioninvolvessimulationoftheplayandscoringofasingle-playervideogame. Inthegame,aplayer attempts to complete three levels. A level in the game is represented ...This is the regularly scheduled date for the AP Computer Science A Exam. Your school’s AP coordinator can tell you where your exam will be administered. Resources. Article. AP Exams Overview . Get an overview of AP Exams, including exam timing and structure and the best ways to practice. The AP Computer Science Principles end-of-course exam has consistent question types and weighting every year, so you and your students know what to expect on exam day. Section I: End-of-Course Multiple-Choice Exam. 70 multiple-choice questions | 120 minutes | 70% of score | 4 answer options. 57 single-select multiple-choice. Learn about the AP Computer Science Principles course and exam, which aim to broaden participation and diversity in computer science education. This PDF document provides the course framework, exam format, sample questions, and performance task guidelines for … Download. This updated resource guides teachers through planning a “Computer Science Carnival” for Computer Science Education Week. It includes instructions and resources for 12 accessible activities that will create excitement in elementary and middle school students for learning computational thinking skills. PDF. Students were given a class, Book, and asked to design a subclass called Textbook. The Book class contained the title and the price of the book and accessor methods for this information. In implementing a solution, students were expected to demonstrate an understanding of class constructor and method header syntax.Which of the following is true about primitive types in java? - a variable is the name given to a memory location - the value stored in a variable can be changed during program execution - all variables must be declared before use-all of these statements are correct for primitive variables in java4. This question involves manipulating a two-dimensional array of integers. You will write two static methods of the ArrayResizer class, which is shown below. public class ArrayResizer { /** Returns true if and only if every value in row r of array2D is non-zero. Precondition: r is a valid row index in array2D. Learn the content and skills of AP Computer Science Principles, a course that introduces students to the foundations of computing and its applications. AP Computer Science Principles is an introductory college-level computing course that introduces students to the breadth of the field of computer science. Students learn to …When students are ready to complete the Create performance task for AP scoring purposes, they can collaborate on the development of their program code only. The AP Computer Science Principles Course and Exam Description (.pdf/2.05 MB) provides teachers with strategies students can use to collaborate during the class and while … The Course at a Glance provides a useful visual organization of the AP Computer Science Principles curricular components, including the following: Big ideas, along with approximate weighting. Progression of topics within each big idea. Spiraling of practices across big ideas. Do you have to claim workers' comp on taxes? Not always. It depends on the laws or statutes under which you received your payments. Some enable you to get tax-exempt compensation. ...Study guide and exam review for Unit 1: Primitive TypesAPCSA curriculum in Javaap csa unit 1 ️ Great AP CSA Exam Review Book: https://amzn.to/3RGN8ii ⬅️🪐 Fu...class. for a car might include attributes such as the make, model, and year, as well as. behaviors. such as driving and honking the horn. When you create an object based on a. class. , it is like using the blueprint to build a specific instance of the house or car. The object has all of the attributes and. behaviors.Is AP Computer Science Principles Easy Or Hard? AP Computer Science Principles is considered very easy, with class alumnae rating it 2.8/10 for overall difficulty (the easiest class out of the 28 large AP classes surveyed).. The pass rate is about average vs other AP classes, with 68% graduating with a 3 or higher.. AP Comp Sci Principles is …Apr 25, 2021 ... Welcome to the first part of the AP Computer Science A Series! This is a series focused on teaching the concepts required to do well on the ... 2021 AP Computer Science Principles Create Performance Task Pilot Student Samples. Download sample student responses, scoring guidelines, and scoring commentaries. Note that these samples are from a pilot, not from an actual exam administration. Create – Sample Responses. Call Now to Set Up Tutoring: (888) 888-0446. Create Problem Set. AP Computer Science A : Class Inheritance. Study concepts, example questions & explanations for AP Computer Science A. Create An Account Create Tests & Flashcards. All AP Computer Science A …AP Computer Science A. This college-level course introduces students to the concepts and tools of computer science and Java coding. Explore AP CSA.Feb 5, 2020 ... This video is a full in-depth review of AP Computer Science A Unit 1: Primitive Types! In this video, I review all topics from the unit ...AP Computer Science Principles. Successful completion of Algebra I is highly recommended. A home computer is not needed, and schools are required to provide students with access to computing devices to complete the course. You do not need to have prior computer science knowledge or experience.AP Comp Sci 2015 A answers. Teacher 31 terms. Jackypaper. Preview. Comp sci Practice Attempt - 2020 Practice Exam 1 MCQ. 66 terms. Emruane. Preview. Printing Text in Python. 11 terms. Landon_Vanslyke. Preview. pltw vocab 1.1 and 1.2. 6 terms. averygenin7. Preview. PL-100 Behaviors in Power Apps. 5 terms.Welcome to the AP Computer Science Study Guide. Let's jump right in. Table of Contents 1. Comments 2. Intro to Strings 3. Variables 4. Primitive Data types 5. Using Mathematical Operators 6. The Math Class 7. Random Class 8. Intro to Conditionals 9. Objects 10. Naming Conventions 11. Advanced Conditionals Statements 12. Arrays 13.AP®Computer Science Principles — Create Performance Task 2019 Scoring Guidelines and Notes. The video demonstrates the running of at least one feature of the program submitted. The response (audio narration or written response) identifies the purpose of the program (what the program is attempting to do). Response earns the point if it ...AP Computer Science A Scoring Guide Unit 6 Progress Check: FRQ 1. SHOW ALL YOUR WORK. REMEMBER THAT PROGRAM. AI Homework Help. Expert Help. Study Resources. ... COMP SCI N/A. Unit 9 FRQ Progress Check.pdf. Solutions Available. Arcadia High School, Arcadia. SCIENCE 31931. 9_Inheritance_Q.pdf. American InterContinental …CBS All Access is an online streaming platform that offers a wide range of TV shows and original series to cater to every viewer’s taste. Whether you are a fan of crime dramas, com...AP Computer Science A Course and Exam Description is a comprehensive guide that covers the objectives, content, and format of the AP Computer Science A exam. It also provides sample questions, scoring guidelines, and resources for teachers and students. Learn how to prepare for the exam and earn college credit with this official document …This is the secure web application where you’ll digitally submit work for AP Art and Design, AP Seminar, AP Research, and AP Computer Science Principles. Sign in using the …2022 AP Score Distributions. See how students performed on each AP Exam for the exams administered in 2022. PDF. 4.42 KB. 2023 AP score distribution tables show the percentages of 1s, 2s, 3s, 4s, and 5s for each AP subject for all AP students.Are you preparing for the AP Computer Science Principles exam? Do you want to see a sample of a high-scoring written response for the Create Performance Task? Check out this PDF document that provides a detailed explanation of how a student developed a program that simulates a card game. Learn how to demonstrate your computational thinking skills … The Growth of AP CSP. AP CSP is making headway in diversifying computer science participation since its launch. The number of female AP CSP students has far outpaced overall growth, with an increase of 136% in 2020, and the number of Black and Latinx students taking AP CSP more than doubled. Access Research. AP Computer Science Principles: 2020 Create Task Student Sample G 3a. The program my partner and I wrote addresses the issue of making an RPG character. Though there are many RPG character creators out there, they can be complicated and difficult to use. Our program is very straightforward with lots of room for customizability inSep 18, 2023 ... Learn more at apcentral.collegeboard.org/courses/ap-computer-science-a/adopt-ap-csa.Exam Reference Sheet. Evaluates expression and then assigns a copy of the result to the variable a. Displays the value of expression, followed by a space. Accepts a value from the user and returns the input value. The arithmetic operators +, -,*, and / are used to perform arithmetic on a and b. For example, 17 / 5 evaluates to 3.4. 2022 AP Score Distributions. See how students performed on each AP Exam for the exams administered in 2022. PDF. 4.42 KB. 2023 AP score distribution tables show the percentages of 1s, 2s, 3s, 4s, and 5s for each AP subject for all AP students. AP Comp Sci 2015 A answers. Teacher 31 terms. Jackypaper. Preview. Comp sci Practice Attempt - 2020 Practice Exam 1 MCQ. 66 terms. Emruane. Preview. Printing Text in Python. 11 terms. Landon_Vanslyke. Preview. pltw vocab 1.1 and 1.2. 6 terms. averygenin7. Preview. PL-100 Behaviors in Power Apps. 5 terms.Mar 17, 2021 ... Study guide and exam review for Unit 2: Using Objects. APCSA curriculum in Java ap csa unit 2 ➡️ Great AP CSA Exam Review Book: ...In 2016, 64.3% of students who took the AP Computer Science A exam received a score of 3 or higher. Only 20.7% of students received the top score of 5, while 23.1% scored a 1 on the exam. Most students did better on multiple-choice questions than they did on free-responses. Keep in mind, credit and advanced …🌶️ AP Comp Sci A Cram Review: Unit 3: Boolean Expressions and if Statements. Previous Exam Prep. Introduction to CSP and Unit 1 Overview. written by Rachel Yuan. Introduction to AP CSA and Unit 1 Review. written by Tejas Bhartiya. AP CSA: Unit 2 and 3 Review. written by Tejas Bhartiya.First, download the AP Computer Science Principles Cheatsheet PDF - a single sheet that covers everything you need to know at a high level. Take note of your strengths and weaknesses! We've put together the study plan found below to help you study between now and May. This will cover all of the units and essay types to prepare you for … | Cqnwruyi (article) | Mkudey.