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
1Create 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
Full Create Performance Task—Sample Six
2Big Idea 1: Creative Development
Computing Innovations
Collaboration
How Programs Function
Program Input
Development Process
Creative Development Questions
Answer Key
Answers Explained
3Big 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
4Big Idea 3: Algorithms and Programming
What Is an Abstraction?
Mathematical Operators
How to Solve Modulus
Assignment Operators
Lists
Display Operators
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
5Big 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
6Big Idea 5: Impact of Computing
The World Wide Web
Digital Divide
Beneficial and Harmful Effects
Human Bias
Crowdsourcing
Legal and Ethical Concerns
Safe Computing
Impact of Computing Questions
Answer Key
Answers Explained
PRACTICE TESTS
Practice Test 1
Answer Key
Answers Explained
Practice Test 2
Answer Key
Answers Explained
Appendix