在人类进入21世纪以后,信息技术与网络技术迅速地融入到社会的各行各业及各个领域,计算机俨然已经成为我们人类日常生活中不可缺少的一部分。随着社会日新月异的发展与变化,人们也逐渐认识到,如果不能熟练掌握计算机的应用,那么在这个社会中将会寸步难行,甚至面临被社会淘汰的可能。因此,要想适应这个社会,了解计算机技术还应从小抓起。近年来,信息技术课作为一门新兴的学科,已经进入了中小学的课 Since mankind entered the 21st century, information technology and network technology have rapidly integrated into all walks of life and various fields in society. Computers have become an indispensable part of our daily life. With the rapid development and changes in society, people have come to realize that if they can not master the application of computers, they will be in a difficult position in this society and may even face the possibility of being eliminated by the society. Therefore, in order to adapt to this society, understanding of computer technology should start small. In recent years, information technology class as a new discipline, has entered the primary and secondary schools