英语翻译IT是信息技术的简称,Information Technology,指与信息相关的技术.IT有以下三部分组成：1

IT is short for information technology,Information Technology,refers to information-related technologies.IT has the following three components:
1,sensing technology is the sensory organ of the extension and expansion,the most obvious example is the bar code readers;
2,communications technology which is the extension of the nervous system and expand,and assume the functions of transmission of information;
3,computer technology is the extension of brain function and expand,and commitment to the information processing functions.