Chapter 7 Basic theory
Chapter 7 explains the fundamental concepts of radixes, sets, probabilities, and statistics, as well
as the digitization of information and algorithms.
Chapter 8 Computer system
Chapter 8 examines computer components, system components, hardware, and software, and explains each type of component and their characteristics.
Chapter 9 Technology element
Chapter 9 examines the characteristics of human interfaces and multimedia technology, basic
knowledge about database design and networks, as well as security measures and other aspects.
Practice exam
The practice exam includes practice questions for the IT Passport Examination.
Answers and Explanations Booklet
The booklet contains answers and explanations for the chapter quiz (Chapters 1 to 9) and practice
exam questions.
2 Notations Used in this Book
The notations used in this book serve the following purposes.
Reference
*
A short summary of useful information or terminology, or a citation of a subchapter for an explanation.
Supplementary notes or content to pay attention to
The text in this book may contain laws, standards and accounting rules that only apply in Japan.