第 2 章 运算器 ································ 14
2.1 本章导学 ······························· 14.
2.1.1 考研解读 ······················ 14.
2.1.2 知识结构 ······················ 14.
2.2 知识讲解 ······························· 15.
2.2.1 基本概念 ······················ 15.
2.2.2 进制系统 ······················ 15.
2.2.3 定点数表示和运算 ······· 16.
2.2.4 浮点数表示和运算 ······· 24.
2.2.5 IEEE 754 标准 ·············· 27.
2.2.6 运算器 ·························· 29.
2.2.7 校验码 ·························· 31.
2.3 本章习题 ······························· 35.
2.4 习题参考答案 ························ 40.
第 3 章 主存储器····························· 47
3.1 本章导学 ······························· 47.
3.1.1 考研解读 ······················ 47.
3.1.2 知识结构 ······················ 48.
3.2 知识讲解 ······························· 49.
3.2.1 基本概念 ······················ 49.
3.2.2 存储器的分类 ·············· 49.
3.2.3 存储器的系统结构 ······ 51.
3.2.4 半导体随机存储器和
只读存储器 ·················· 52.
3.2.5 主存储器与 CPU 的
连接与控制 ·················· 55.
3.2.6 双端口 RAM 和多体
模块存储器 ·················· 58.

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