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文件名称：深入理解操作系统英文版
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更新时间：2016-10-07 04:56:25
操作系统
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