You have limited time and 40 complex questions to analyze and answer. Sometimes, the best thing to do is take a deep breath and remember some of the essential multiple-choice test taking strategies. You will not be docked for providing a wrong answer. If you had the time to read the question, you have time to make an educated guess. Keep in mind, however, that no credit will given for anything written in the exam booklet.
Circle or underline if it helps. Conversely, looking at the answer choices and then reading the question may work best. Find a style that works for you. Know what a typical multiple-choice question looks like.
Practicing by taking multiple practice exams over the course of the year is the best way to become comfortable and confident with this section of the exam. The majority of questions will include a snippet of code, which you will have to analyze in one way or another. Sometimes you will given an output and have to choose the code segment that produces that output.
Other times, you may be asked to predict what a particular code segment will print out. More complex questions might ask you to change segments of code to perform a specific task, evaluate recursion methods, describe what will happen when a code segment is executed, and analyze code that may have many correct answers.
Take a look at the sample multiple-choice questions offered by the College Board in its AP Computer Science A Course Description to get a feel for the complexity of the questions you might encounter on the exam. Avoid the most common errors. In CS, you will make mistakes. It comes with the territory. However, as long as you are aware of the most common mistakes and errors, you can hopefully avoid them on the free-response section of the exam. The most common errors include:. Write legibly, clearly, and with good programming style.
This means you should aim for clarity in your programming responses. You want your responses to be as easy to grade as possible. Keep in mind the following when writing your programming responses:. This response from a real AP Computer Science test-taker shows what a neat, legible response with good programming style looks like. This response actually earned a score of 9! Do not use specific numbers, strings, or dimensions of arrays in your code. You want to make your program work with any potential number, string, or dimension, not just the one given to you as an example in the question.
This is a common mistake that many AP CS students make. For example, if a question is about a two-dimensional array and it shows you an image of a 3 by 4 array, do not use the numbers 3 and 4 in your code. Remember, do not use specific numbers! Attempt every part of the question. Most AP Computer Science free-response questions will include multiple parts part a, part b, part c, etc. It may surprise you that part a is usually harder than parts b and c.
Each part is graded independently from the previous parts. This means that if you leave part a blank or provide an incorrect answer, you could still get full or partial credit for the other parts! This is a waste of time and you could potentially lose points. Sounds like a no-brainer, right? To avoid this, underline, circle, or star important details when you first read the problem.
Look at the information you underlined or circled. Did you actually answer the question? Always write down some code in your answer. You will be given no credit for simply describing what you would do if you had the time to write out the code this is not an English exam. You could receive some credit, however, for attempting some aspect of the code. You may not know how to write the full code to address the problem, but always write at least some code for the parts you do Partial credit may be given for having the correct loop bounds, attempting to sum values in an array, etc.
Remember that elegance of code does not matter. For you advanced programmers out there, elegant coding does not count on the AP CS exam. Stick to what you know. You could potentially waste time trying to write really simple, efficient code, or even trick yourself in the process. A brute-force approach is best on the exam. Stay within the AP Java subset.
The subset if given to you for a reason. Keep it simple and use the AP Java subset. Follow Java naming conventions. Start names with a lowercase letter and keep names meaningful but not too verbose.
Use your best judgment. Sometimes the question will contain names that you should use in your code. Comments are completely disregarded by AP readers. You will therefore receive no credit for them.
More than a traditional introduction to programming, it is a rigorous, engaging, and approachable course that explores many of the foundational ideas of computing so all students understand how these concepts are transforming the world we live in.
This year-long course can be taught as an AP or non-AP course - no prerequisites required for students or for teachers new to computer science! In addition, our curriculum is available at no cost for anyone, anywhere to teach. For more information about our goals and approach to our courses, please see our curriculum values and our professional learning values. This endorsement affirms that all components of Code.
If you are interested in licensing Code. This course requires students have access to computers with a modern web browser. For more details, check out Code.
Many lessons have handouts that are designed to guide students through activities. While these handouts are not required, we highly recommend their use.
In addition to handouts, you will need the following:. The following supplies are completely optional but will be useful to have on hand for various lessons:. With an approved teacher account you can find answer keys in a blue "Teacher Only" panel that shows in the online lessons and activities.
Teachers in our professional learning program will automatically be approved to view answer keys. If you need an approved teacher account, any teacher can apply for Code Studio access to protected teacher-only materials answer keys, etc through this form. Check out our forum at http: There you'll find a space for general CS Principles discussion as well as unit- and lesson-specific threads. Our desire is that the curriculum will be a living document and not something set in stone. We are open to changes or alternatives to lessons so please send us your feedback by using the CS Principles forum.
AP opens doors at colleges and universities worldwide. AP Computer Science A. Course Overview What makes this course interesting? End of Career Areas. End of College Majors. Additional Information Next steps. Recommended course preparation Knowledge of basic algebra and experience in problem solving Overall comfort and competence with written communications.
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AP’s high school Computer Science A course is a rigorous, college-level class that provides an opportunity to gain the skills and experience colleges recognize. Varsity Tutors’ Learning Tools AP Computer Science A Learn by Concept resource is a free interactive online syllabus that provides you with the information you need to review for the end-of-the-year exam.
To fulfill our tutoring mission of online education, our college homework help and online tutoring centers are standing by 24/7, ready to assist college students who need homework help with all aspects of computer science. AP Computer Science Principles Equivalent to a college-level Introduction to Computer Science for non-STEM majors, students learn foundational concepts of computer science and explore the impact computing and technology have on our society.