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