Chapter 2 Guobao Jiang Outline 2.1 Information Storage 2.2 Integer Representations 2.3 Integer Arithmetic 2.4 Floating Point.

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Presentation transcript:

Chapter 2 Guobao Jiang

Outline 2.1 Information Storage 2.2 Integer Representations 2.3 Integer Arithmetic 2.4 Floating Point 2.5 Summary 2

2.1 Information Storage Problem 2.1 (P29) A. 0x8F7A93 to binary3 8 F 7 A D. Binary to hexadecimal B 7 E 6 3

4

Boolean Algebras and Rings Ring (Integer ring, Modular arithmetic) Boolean algebra Note :the operations are different! 5

Logical Operations and Bit-level Operations P49 LO: 1) nonzero argument as TRUE, 0 as FALSE 2) logical operators do not evaluate their second argument if what? 6