数字电路与系统第一章.pdf

Homeworks (第三版): 1.4 (1, 2, 3) 1.14 1.5 (1, 3) 1.16 1.6 1.17 (1,3) 1.10 (1, 3, 5) 1.19 (1, 3, 5) 1.12 (2, 4) 1 Chapter 1. Number systems and codes 第一章. 数制与编码 2 §1.1 Overview 概述  Information is of digital forms in a digital system, and thus it is necessary to have ways to represent information in digital forms. 数字系统中通过数字信号的形式存储和处理信息。因此，有必要 学习信息的数字表示方法。 Number conversion 数制变换  Content 本章内容： 1. Number systems and their conversions 数制及其相互转换 2. BCD and Grey codes BCD和格雷码 3. Signed binaries 带符号的二进制数  Extended learning 后续课程： Information theory and coding 信息论与编码 3 §1.1 Overview 概述  Information is of digital forms in a digital system, and thus it is necessary to have ways to represent information in digital forms. 数字系统中通过数字信号的形式存储和处理信息。因此，有必要 学习信息的数字表示方法。 Number conversion Therefore, in a general sense, information is 数制变换 Knowledge communicated or received concerning a particular fact or circumstance, or rather, information is an answer to a question. Information cannot be predicted and resolves uncertainty.  Content 本章内容： 1. Number systems and their conversions 数制及其相互转换 2. BCD and Grey codes BCD和格雷码 3. Signed binaries 带符号的二进制数  Extended learning 后续课程： Information theory and coding 信息论与编码 4 §1.2 Number systems 数制 1. A number system consists of an ordered set of digits, with relationship