计算机专业英语PDF电子书下载

CONTENTS 1

LESSON ONE　The History of IT 1

Reading Material The Impact of IT on Society 7

LESSON TWO Information System 11

Reading Material Consider a Career in IT 18

LESSON THREE Hardware—The System Unit 21

Reading Material How To Purchase a PC 28

LESSON FOUR Hardware—Input and Output 33

Reading Material How to Upgrade Your PC 39

LESSON FIVE Software—Application Software 42

Reading Material Virus Protection 48

LESSON SIX Software—System Software 52

Reading Material Green Personal Computer 59

LESSON SEVEN Programming Languages 63

Reading Material The Program Development Process 69

LESSON EIGHT Communication Systems 72

Reading Material Web Chat 78

LESSON NINE The Internet 81

Reading Material Software Piracy 87

LESSON TEN Multimedia 90

Reading Material Electronic Learning 95

LESSON ELEVEN Privacy Security 98

Reading Material Concerning Hackers 104

LESSON TWELVE IT Organizations 108

Reading Material The Secret to Microsoft s Success 114

Professional English Words of Computer 117