AP Computer Science Principles Premium, 2023: 6 Practice Tests (2022)

Name: AP Computer Science Principles Premium, 2023: 6 Practice Tests (2022)
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Prepare smarter with AP Computer Science Principles Premium, 2023: 6 Practice Tests + Comprehensive Review + Online Practice (Barron's Test Prep) (2022) , offering a concise yet detailed overview of key topics and practice questions.

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© Copyright 2023, 2021, 2020 by Kaplan North America, LLC d/b/a Barron’s Educational Series
All rights reserved under International and Pan-American Copyright Conventions. By payment of the
required fees, you have been granted the non-exclusive, non-transferable right to access and read the
text of this eBook on screen. No part of this text may be reproduced, transmitted, downloaded,
decompiled, reverse engineered, or stored in or introduced into any information storage and retrieval
system, in any form or by any means, whether electronic or mechanical, now known or hereinafter
invented, without the express written permission of the publisher.
Published by Kaplan North America, LLC d/b/a Barron’s Educational Series
1515 W Cypress Creek Road
Fort Lauderdale, FL 33309
www.barronseduc.com
ISBN: 978-1-5062-8632-7
10 9 8 7 6 5 4 3 2 1

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About the Author
Seth Reichelson is a 2015 White House Champion of Change, College
Board Summer Institute Teacher, and IBM Champion. As a Computer
Science teacher at Lake Brantley High School and Ocoee High School, he
grew his computer program with grassroots activism. Through his
unflappable likability and out-of-the-box implementation of ideas, he
enlivened the class with quirky but accessible projects that appeal to all
students. Putting his charismatic legitimacy to paper truly has been an epic
adventure for all involved, including his Labradors. Seth Reichelson is a
longtime high school teacher and Labrador retriever enthusiast.

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Table of Contents
How to Use This Book
Barron’s Essential 5 Things You Need to Know
Preface
Introduction
General Information About the Exam
Hints for Taking the Exam
DIAGNOSTIC TEST
Diagnostic Test
Answer Key
Answers Explained
Diagnostic Table Match
1 Create Performance Task
General Requirements
Program Requirements
Full Create Performance Task—Sample One
Full Create Performance Task—Sample Two
Full Create Performance Task—Sample Three
Full Create Performance Task—Sample Four
Full Create Performance Task—Sample Five

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Full Create Performance Task—Sample Six
2 Big Idea 1: Creative Development
Computing Innovations
Collaboration
How Programs Function
Program Input
Development Process
Creative Development Questions
Answer Key
Answers Explained
3 Big Idea 2: Data
Bits Represent Data
Number Systems
Various Errors
Lossy and Lossless Data Compression
Information Extracted from Data
Privacy Concerns
Data Questions
Answer Key
Answers Explained
4 Big Idea 3: Algorithms and Programming
What Is an Abstraction?
Mathematical Operators
How to Solve Modulus
Assignment Operators
Lists
Display Operators

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Input Operators
Relational and Boolean Operators
The Robot
The Swap
Searching
Algorithms and Programming Questions
Answer Key
Answers Explained
Big Idea 3: Algorithms and Programming Part 2
Programming
Flowcharts
Lists
Procedures
Algorithms and Programming Questions Part 2
Answer Key
Answers Explained
5 Big Idea 4: Computer Systems and Networks
Computing Devices
Autonomous Systems of the Internet
Fault Tolerance
Efficiency of Solutions
Computer Systems and Networks Questions
Answer Key
Answers Explained
6 Big Idea 5: Impact of Computing
The World Wide Web
Digital Divide
Beneficial and Harmful Effects

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How to Use This Book
This book is focused only on you getting correct answers on the AP test.
Topics are covered in the same depth and scope as the AP exam. This book
offers a comprehensive review of the Enduring Understandings, Key
Concepts, Learning Objectives, and Essential Knowledge taught in the AP
Computer Science Principles course. Each element of this book is designed
to prepare you for the exam.
Diagnostic Test
First, take the Diagnostic Test to gain an understanding of your strengths
and weaknesses. It is a seventy-question complete test with detailed answer
explanations.
Create Performance Tasks
This book includes six full sample Create Performance Tasks with complete
written reports. All programs contain the requirements to fully score on the
create task rubric. Programs are written in both graphical and text-based
languages.
Review and Practice
Chapters are arranged in order of the big ideas with two chapters dedicated
to algorithms. Seven hundred and sixty-five multiple-choice questions
written in AP format cover all topics on the exam. All multiple-choice
questions in this text include detailed answer explanations.

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Practice Tests
The final section of the book offers the opportunity to take two full-length
practice tests that include all question types found on the actual exam. A
comprehensive answer explanation is provided for each multiple-choice
question.
Online Practice
In addition to the diagnostic test and two practice tests within this book,
there are also three full-length online practice exams. You may take these
exams in practice (untimed) mode or in timed mode. All questions include
detailed answer explanations.
For Students
This review book highlights all concepts in each chapter and explains them
by giving content examples. How you use the book depends on how your
school offers the course. Nevertheless, by answering the review questions at
the end of each chapter and by taking the practice tests, you will have an
indication of how well you will do on the actual exam.
For Teachers
This book can be used as a stand-alone textbook or in combination with any
of the College Board approved curriculums.

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BARRON’S
ESSENTIAL 5
As you review the content in this book and work toward earning that “5” on
your AP Computer Science Principles Exam, here are five essentials that
you MUST know above everything else:
Implement all programming requirements for the Create
Performance Task. Your program does not need to be a
masterpiece, but it does need to contain the requirements.
Make sure your submitted program contains a procedure,
parameters, list, iteration, selection, and sequence. Use
examples provided in this book to familiarize yourself with
how the coding requirements can be implemented in your
program. A 5000-line program that does not contain all the
requirements will score lower than a 19-line program that
does.
Understand what you programmed and be able to answer
College Board questions in the written report. While College
Board questions are vague, what they expect for answers is
extremely specific. No partial credit is given. Use the
examples and nonexamples provided in this book to
understand how the College Board wants you to answer the
written questions.
Be aware of the rules of syntax for the pseudo code used on
the multiple-choice exam. The programming language used
on the exam is unique to the College Board and can conflict

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with the rules for the programming language you used in
class. For example, the index of a list begins with 1 on the
exam but in many languages the index begins with 0.
Become familiar with the type of questions asked on the
exam. For example, your multiple-choice exam will contain
robot questions, tracing problems, finding error problems,
converting number questions, looping questions, and others.
Use the hundreds of example problems included in this book
to prepare.
Understand the scope of questions used on the exam. Many
topics on this exam are complex but what is tested on the
exam is not complex. For example, the internet is a complex
topic and could take months to cover to fully understand the
topic. However, the scope and depth of internet questions
included on this test are limited. This book only covers what
is on the test.

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