与20世纪末人们通常称的“微机”相比，体积小巧、玲拢可人的21世纪电脑则可称为“袖珍机”。比较上个世纪，人、机联系更加紧密，无时不有，无处不在；从日常工作、家居旅行，到学习进修、消闲娱乐，电脑渗透到各个角落，于是人们惊呼：我们须臾也离不开电脑了！与人如影相随 Compared with what people commonly refer to as “microcomputers” at the end of the 20th century, 21st-century computers that are small in size and graceful can be called “pocket machines.” Compared with the last century, people and machines are in closer contact with each other and are everywhere; from everyday work and home travel to study and study, leisure and entertainment, and computer penetration into every corner, people exclaim: Do not open the computer! Go hand in hand with others