深入理解操作系统英文版下载

2.1.4 Addressing and Byte Ordering 39 2.1.5 Representing Strings 46 2.1.6 Representing Code 47 2.1.7 Introduction to Boolean Algebra 48 2.1.8 Bit-Level Operations in C 51 2.1.9 Logical Operations in C 54 2.1.10 Shift Operations in C 54 2.2 Integer Representations 56 2.2.1 Integral Data Types 57 2.2.2 Unsigned Encodings 58 2.2.3 Two’s-Complement Encodings 60 2.2.4 Conversions Between Signed and Unsigned 65 2.2.5 Signed vs. Unsigned in C 69 2.2.6 Expanding the Bit Representation of a Number 71 2.2.7 Truncating Numbers 75 2.2.8 Advice on Signed vs. Unsigned 76 2.3 Integer Arithmetic 79 2.3.1 Unsigned Addition 79 2.3.2 Two’s-Complement Addition 83 2.3.3 Two’s-Complement Negation 87 2.3.4 Unsigned Multiplication 88 2.3.5 Two’s-Complement Multiplication 89 2.3.6 Multiplying by Constants 92 2.3.7 Dividing by Powers of Two 95 2.3.8 Final Thoughts on Integer Arithmetic 98 2.4 Floating Point 99 2.4.1 Fractional Binary Numbers 100 2.4.2 IEEE Floating-Point Representation 103 2.4.3 Example Numbers 105 2.4.4 Rounding 110 2.4.5 Floating-Point Operations 113 2.4.6 Floating Point in C 114 2.5 Summary 118 Bibliographic Notes 119 Homework Problems 119 Solutions to Practice Problems 134